func_code_string: #include <bits/stdc++.h>   using namespace std;   long long INF = 9999999999;   double EPSILON = 0.00000001;   int sint(string s) {     int num = 0;     istringstream myStream(s);     (myStream >> num);     return num;   }   string str(int num) {     ostringstream oss;     oss << num;     return oss.str();   }   vector<string> split(string s) {     vector<string> tokens;     stringstream os(s);     string temp;     while (os >> temp) {       tokens.push_back(temp);     }     return tokens;   }   int maxv(vector<int> v) {     int m = -9999999;     for (int i = 0; i < v.size(); i++) m = max(m, v[i]);     return m;   }   int minv(vector<int> v) {     int m = 9999999;     for (int i = 0; i < v.size(); i++) m = min(m, v[i]);     return m;   }   int main() {     long long n;     cin >> n;     long long s = 0;     while (n != 1) {       s += n;       long long root = sqrt(n);       bool found = false;       for (long long r = 2; r <= root; r++) {         if (n % r == 0) {           n /= r;           found = true;           break;         }       }       if (not found) n = 1;     }     cout << s + 1 <<   n ;     return 0;   }   