34分求助

#include <iostream>
#include <cmath>
using namespace std;
long long sum;
int main(){
    int a,b; cin>>a>>b;
    long long cnt=pow(a,b);
    for(int i=1;i*i<=cnt;++i){
        if(cnt%i==0){
            sum+=i;
            if(cnt/i!=i) sum+=cnt/i;
        }
    }
    cout<<sum%9901;
    return 0;
}