>>> from divisors import seq_div

--ini-enunciat

>>> it = seq_div(2)
>>> next(it)
1
>>> next(it)
2
>>> next(it, 'final')
'final'
>>> for x in seq_div(12):  # seqüència dels divisors del nombre 12
...   print(x, end=',')
1,2,3,4,6,12,

--fi-enunciat

>>> for x in seq_div(1):
...   print(x, end=',')
1,
>>> for x in seq_div(240):
...   print(x, end=',')
1,2,3,4,5,6,8,10,12,15,16,20,24,30,40,48,60,80,120,240,
>>> for x in seq_div(137):
...   print(x, end=',')
1,137,
>>> for x in seq_div(742):
...   print(x, end=',')
1,2,7,14,53,106,371,742,