题解 | 1=N
1=N
https://www.nowcoder.com/practice/31469f8503c24914acd5c0290ad4dfbb
质因数分解
#include <iostream>
#include<vector>
using namespace std;
int main() {
int n;
cin>>n;
int res=0;
for(int i=2;i*i<=n;i++){
while(n%i==0){
res+=i;
n/=i;
}
}
if(n>1)res+=n;
cout<<res;
return 0;
}
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