Question

Ư(70) = ....

Answer 1

la 

1,2,7,10,14,35,70,-1,-2,-7,-10,-14,-35,-70

Answer 2

1,25,7,10,14,35,70,-1,-2,-5,-7,-14,-35,-70

Answer 3

`Ư(70) = {1;2;7;10;14;35;70}`

HT!