Pagini recente » Cod sursa (job #2020972) | Cod sursa (job #723047) | Cod sursa (job #1259703) | Cod sursa (job #268742) | Cod sursa (job #756591)
Cod sursa(job #756591)
#include<fstream>
#define MOD 9901
using namespace std;
ifstream fin ("sumdiv.in");
ofstream fout ("sumdiv.out");
int A, B, S = 1;
int pute(int x, long long p)
{
int sol = 1;
while ( p )
{
if(p & 1)
sol = (sol * x) % MOD;
x = (x * x) % MOD;
p >>= 1;
}
return sol;
}
int main()
{
fin >> A >> B;
int a = A;
for(int i = 2; i*i <= A; ++i)
{
int p = 0;
while(a % i == 0)
a /= i, ++p;
if(p)
S *= (pute(i, 1LL*p*B+1)-1) * pute(i-1, MOD-2),
S %= MOD;
}
if(a > 1)
S *= (pute(a, B+1) - 1) * pute(a-1, MOD-2),
S %= MOD;
fout << S;
fin.close();
fout.close();
return 0;
}