text: #include <iostream>
  using namespace std;
  int main()
  {
      int n;
      cout << "Enter upper limit of number sequence: ";
      cin >> n;
  
      for (int i = 2; i <= n; i++)
      {
          cout << i << ": ";
  
          for (int j = 2; j < i; j++)
          {
              if (i % j == 0) cout << j << ", ";
          }
          cout << endl;
      }
      return 0;
  }