Find Factors of a Number

findFactors.py

import sys
import math


def find_factors(number):
    factors = []
    while number % 2 == 0:
        factors.append(2)
        number = number / 2
    i = 3
    max_factor = math.sqrt(number)
    while i <= max_factor:
        while number % i == 0:
            factors.append(i)
            number = number / i
            max_factor = math.sqrt(number)
        i = i + 2
    if number > 1:
        factors.append(number)
    print factors
    return factors


def main():
    find_factors(int(sys.argv[1]))


if __name__ == '__main__':
    main()