#include<cstdio>

int v[100002];
int n,i,j,x;

int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);

    for(i=1;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("%d",&n);
    while(n--)
    {
        scanf("%d",&x);
        printf("%lld\n",(long long)2*x*v[x]);
    }
    return 0;
}