N=int(input())
def f(x):
  r=[]
  for i in range(1,int(x**0.5)+1):
    if x%i==0:
      y=x//i
      r.append((i,y))
      if i!=y:
        r.append((y,i))
  return r

D=f(N)
ANS=0
for d in D:
  a,b=d[0],d[1]
  if (a&b)!=b:
    continue
  ANS+=(1<<(bin(b).count('1')))
print(ANS>>1)