func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int n;     cin >> n;     int sum = n;     for (int i = n / 2; i >= 1; i--) {       if (n % i == 0) {         sum += i;         n = i;       }     }     cout << sum;     return 0;   }   