86870215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{2131}}^1$

素因数の和:2430

約数の個数: 16

約数和(自身を含む): 108066816

約数和(自身を除く): 21196601

約数列:

[1, 5, 31, 155, 263, 1315, 2131, 8153, 10655, 40765, 66061, 330305, 560453, 2802265, 17374043, 86870215]

約数ペア:

[(1, 86870215), (5, 17374043), (31, 2802265), (155, 560453), (263, 330305), (1315, 66061), (2131, 40765), (8153, 10655)]