#include <cstdio>

using namespace std;
long long n,i,j,nr,v[100005];
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for(i=2; i<=100000; i++)
        v[i]=i;
    for(i=2; i<=100000; i++)
    if(v[i]==i)
        for(j=i; j<=100000; j+=i)
            v[j]=v[j]/i*(i-1);
    scanf("%lld",&n);
    for(i=1; i<=n; i++)
    {
        scanf("%lld",&nr);
        printf("%lld\n",2*nr*v[nr]);
    }
    return 0;
}