Step-by-step explanation:
86 = 1,2,43,86
7 = 1,7
12 = 1,2,3,4,6,12
77 = 1,7,11,77
38 = 1,2,19,38
52 = 1,2,4,13,26,52
9 = 1,3,9
73 = 1,73
98 = 1,2,7,14,49,98
24 = 1,2,3,4,6,8,12,24
6 = 1,2,3,6
80 = 1,2,4,5,8,10,16,20,40,80
