39927965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{757}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 60251904

約数和(自身を除く): 20323939

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 385, 685, 757, 959, 1507, 3785, 4795, 5299, 7535, 8327, 10549, 26495, 41635, 52745, 58289, 103709, 291445, 518545, 725963, 1140799, 3629815, 5703995, 7985593, 39927965]

約数ペア:

[(1, 39927965), (5, 7985593), (7, 5703995), (11, 3629815), (35, 1140799), (55, 725963), (77, 518545), (137, 291445), (385, 103709), (685, 58289), (757, 52745), (959, 41635), (1507, 26495), (3785, 10549), (4795, 8327), (5299, 7535)]