for _ in range(int(input())):
    N = int(input())
    ans = (0, 0, 0)
    for i in range(64):
        if 2 ** i <= N:
            X = 2 ** i
            Y = min(N - 2 ** i, 2 ** i - 1)
            ans = max(ans, (X * Y, X, Y))
    print(ans[1], ans[2])