for _ in range(int(input())):
    x, y = map(int, input().split())
    if x < y:
        x, y = y, x
    p = x + y
    q = x - y
    d = 1
    ans = 0
    while d * d <= q:
        if q % d == 0:
            d2 = q // d
            for s, t in ([(d, d2), (d2, d)] if d != d2 else [(d, d2)]):
                bc = p // (s + 2)
                if p % (s + 2) == 0 and bc & 1 == t & 1 and bc > t:
                    #print(s, t, p, q)
                    ans += 1
        d += 1
    print(ans)