func_code_string: #include <bits/stdc++.h>   using namespace std;   bool issquare(int n) {     int sq = sqrt(n);     if (sq * sq == n) {       return true;     } else {       return false;     }   }   int main() {     long long int n;     cin >> n;     long long int ans = n;     int f = 1;     while (n != 1 and f == 1) {       int sqr = ceil(sqrt((n * 1.0)));       f = 0;       for (int i = 2; i <= sqr; i++) {         if (n % i == 0) {           n = n / i;           ans += n;           f = 1;           break;         }       }     }     if (n != 1) ans += 1;     cout << ans << endl;   }   