#include<cstdio>
using namespace std;
long n,i,j,p;
long long s,v[100001],x;
int main()
{

    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
scanf("%ld",&n);
for(i=1;i<=100000;i++)
    v[i]=i;
for(i=2;i<=100000;i++)
    if(v[i]==i)
        {for(j=2*i;j<=100000;j=j+i)
            v[j]=v[j]/i*(i-1);
        v[i]=i-1;}
for(i=1;i<=n;i++)
    {
        scanf("%lld",&x);
        printf("%lld\n",1LL*2*x*v[x]);
    }
return 0;
}