#include <cstdio>
int n,i,j,t;
long long v[100002];
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    scanf("%d",&n);
    for(i=1;i<=100000;++i) v[i]=i-1;
    for(i=2;i<=100000;++i)
    {
        for(j=i*2;j<=100000;j+=i) v[j]-=v[i];
    }
    for(i=1;i<=n;++i)
    {
        scanf("%d",&t);
        printf("%lld\n",2*t*v[t]);
    }
    return 0;
}