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Cod sursa(job #858607)
#include<cstdio>
#include<math.h>
FILE *fin=fopen("sumdiv.in","r");
FILE *fout=fopen("sumdiv.out","w");
using namespace std;
int a,b;
int main()
{
int i,n;
int s=0;
fscanf(fin,"%d",&a);
fscanf(fin,"%d",&b);
n=1;
n=pow(a,b);
for(i=1;i<=n;i++)
if(n%i==0)
s+=i;
fprintf(fout,"%d",s%9901);
fclose(fin);
fclose(fout);
return 0;
}