大测试数据
//9999997800000121
#include <iostream>
typedef long long LL;
using namespace std;
int main()
{
LL n,ans=0;
scanf("%lld",&n);
for(LL i = 2;i*i<=n;i ++)//除法比乘法慢,写成i<=n/i会超时
{
if(n%i==0)ans++;
while(n%i==0)n /= i;
}
if(n>1)ans++;
printf("%lld",ans);
return 0;
}