def METHOD_NAME():
  divisors = (
    (1, (1,)), 
    (2, (1,2)),
    (3, (1,3)),
    (4, (1,2,4)),
    (6, (1,2,3,6)),
    (35, (1,5,7,35)),
    (128, (1,2,4,8,16,32,64,128)),
    (258, (1,2,3,6,43,86,129,258)),
  )
  for num, ans in divisors:
    result = [ _ for _ in lib.divisors(num) ]
    result.sort()
    assert tuple(result) == ans