You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
752 B
C++
30 lines
752 B
C++
#define _CRT_SECURE_NO_WARNINGS
|
|
#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
|
|
#include <bits/stdc++.h>
|
|
using namespace std;
|
|
using ll = long long;
|
|
const int N = 50050;
|
|
bool notPrime[N];
|
|
ll primes[N], pcnt;
|
|
int main()
|
|
{
|
|
for (ll i = 2, j; i < N; i++)
|
|
if (!notPrime[i])
|
|
for (primes[pcnt++] = i, j = i * i; j < N; j += i)
|
|
notPrime[j] = true;
|
|
int n;
|
|
while (scanf("%d", &n), n)
|
|
{
|
|
ll ans = 1;
|
|
for (int i = 0; i < pcnt; i++)
|
|
{
|
|
int cnt = 0;
|
|
for (int j = n; j % primes[i] == 0; j /= primes[i])
|
|
cnt++;
|
|
ans *= (2 * cnt + 1);
|
|
}
|
|
printf("%d %lld\n", n, ans / 2 + 1);
|
|
}
|
|
return 0;
|
|
}
|