T = int(input())

from collections import defaultdict
d = defaultdict(list)
for i in range(T):
    N = int(input())
    d[N].append(i)

ans = [0] * T
C = 10 ** 7
dat = list(range(C + 1))
era = [0] * (C + 1)
tmp = 0
for i in range(2,C + 1):
    if era[i] == 0:
        for j in range(i,C + 1,i):
            era[j] = 1
            dat[j] //= i
            dat[j] *= (i-1)
for i in range(2,C + 1):
    tmp += dat[i] + (i - 1 - dat[i]) * 2
    if i in d:
        for j in d[i]:
            ans[j] = tmp
print(*ans,sep = "\n")
#print(dat)