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python质因数分解代码

import math
number = int(raw_input("Enter a number: "))
list = []
def getChildren(num):
  print '*'*30
  isZhishu = True
  i = 2
  square = int(math.sqrt(num)) + 1
  while i <= square:
    if num % i == 0:
      list.append(i)
      isZhishu = False
      getChildren(num / i)
      i += 1
      break
    i += 1
  if isZhishu:
    list.append(num)
getChildren(number)
print list