6
28
they are 1,2,4,7,14,28
1, 20, 2, 10 , 4, 5
The answer depends on what is meant by "fators".
1 2 3 4 6 7 12 14 21 28 42 84.
1, 2, 4, 5, 8, 10, 16, 20, 40, 80.
NO
I
1, 2, 4, 13, 26, 52 1, 2, 4, 7, 8, 14, 28, 56
n
1,2,4,7,8,14,28
1,2,4,8,24
2 & 13