title: Sum Factors Number
signature: function sum_factors_number(n)
source_py: def sum_factors_number(n):
      result = 0
      for i in range(2, (int(math.sqrt(n)) + 1)):
          if ((n % i) == 0):
              if (i == (n / i)):
                  result = (result + i)
              else:
                  result = (result + (i + (n // i)))
      return ((result + n) + 1)
source_cpp: int sum_factors_number(int n) {
    int result = 0;
    for ( int i = 2;
    i <= sqrt ( n );
    i ++ ) {
      if ( n % i == 0 ) {
        if ( i == ( n / i ) ) result += i;
        else result += ( i + n / i );
      }
    }
    return ( result + n + 1 );
  }
question_info.test_code: 
  
  -- SOLUTION CODE
  -- ============================================
  PLACEHOLDER_CODE_BODY
  
  -- TESTING CODE 
  -- ============================================
  function isCorrect(actual, expected)
      if type(expected) ~= type(actual) then
          return false
      end
      
      if type(expected) == 'table' then
          for k,v_expected in pairs(expected) do
              
              if actual[k] == nil then
                  return false
              end
              local v_actual = actual[k]
              if not isCorrect(v_actual, v_expected) then
                  return false
              end
              actual[k]=nil
          end
      
          if next(actual) then 
              return false
          end
          return true
      else
          return actual == expected
      end
  end
  
  function validateSolution(actual, expected)
      return isCorrect(actual,expected)
  end
  
  function driver(n, expected)
      local exec_result;
      local status, error_msg = pcall(function () 
          exec_result=PLACEHOLDER_FN_NAME(n) 
      end)
      if status then
          if validateSolution(exec_result,expected) then
              return "PASSED"
          end
          return "FAILED"
      else
          return string.format("ERROR=%s",string.gsub(error_msg,".*:[%d]+: ",""))
      end
  end
      
  function main()
      result = driver(76, 140)
      print(string.format("TEST-0...%s",result))
  
      result = driver(21, 32)
      print(string.format("TEST-1...%s",result))
  
      result = driver(4, 7)
      print(string.format("TEST-2...%s",result))
  
      result = driver(49, 57)
      print(string.format("TEST-3...%s",result))
  
      result = driver(35, 48)
      print(string.format("TEST-4...%s",result))
  
      result = driver(55, 72)
      print(string.format("TEST-5...%s",result))
  
      result = driver(43, 44)
      print(string.format("TEST-6...%s",result))
  
      result = driver(39, 56)
      print(string.format("TEST-7...%s",result))
  
      result = driver(36, 91)
      print(string.format("TEST-8...%s",result))
  
      result = driver(5, 6)
      print(string.format("TEST-9...%s",result))
  
  end
  
  main()
question_info.entry_cls_name: Solution
question_info.test_list: [{"idx": 0, "outputs": 140, "inputs": {"n": 76}}, {"idx": 1, "outputs": 32, "inputs": {"n": 21}}, {"idx": 2, "outputs": 7, "inputs": {"n": 4}}, {"idx": 3, "outputs": 57, "inputs": {"n": 49}}, {"idx": 4, "outputs": 48, "inputs": {"n": 35}}, {"idx": 5, "outputs": 72, "inputs": {"n": 55}}, {"idx": 6, "outputs": 44, "inputs": {"n": 43}}, {"idx": 7, "outputs": 56, "inputs": {"n": 39}}, {"idx": 8, "outputs": 91, "inputs": {"n": 36}}, {"idx": 9, "outputs": 6, "inputs": {"n": 5}}]
question_info.extension: lua
question_info.entry_fn_name: sum_factors_number
question_info.test_case_ids: 0 1 2 3 4 5 6 7 8 9
question_info.commands: lua __FILENAME__