Run ID Author Problem Lang Verdict Score Time Memory Code Length Submit Time
19944 季洁 因子求和 C++ Accepted 100 0 MS 260 KB 229 2021-05-26 20:34:20

Tests(10/10):


#include<bits/stdc++.h> using namespace std; int main(){ int n,l,sum=0,x=1,y; cin>>n; y=n; for(int i=2;i<=n;i++){ sum=1,l=0; while(y%i==0){ y/=i; sum+=(int)pow(i,++l); } x*=sum; } cout<<x-1-n; }


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