def popcount(x):
    x = x - ((x >> 1) & 0x55555555)

    # 4bit整数に 上位2bit + 下位2bit を計算した値を入れる
    x = (x & 0x33333333) + ((x >> 2) & 0x33333333)

    x = (x + (x >> 4)) & 0x0f0f0f0f # 8bitごと
    x = x + (x >> 8) # 16bitごと
    x = x + (x >> 16) # 32bitごと
    return x & 0x0000007f

N = int(input())

i = 1
cnt = 0
while i**2 <= N:
    if N % i == 0:
        AXB = i
        AOB = N // i
        if (~AOB & AXB) == 0:
            cnt += 2**(popcount(AOB&AXB)-1)
    i += 1
print(cnt)