Lc829

  def consecutiveNumbersSum(self, N):
        res = 1
        i = 3
        while N % 2 == 0:
            N /= 2
        while i * i <= N:
            count = 0
            while N % i == 0:
                N /= i
                count += 1
            res *= count + 1
            i += 2
        return res if N == 1 else res * 2