87131525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2111}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 117325824

約数和(自身を除く): 30194299

約数列:

[1, 5, 13, 25, 65, 127, 325, 635, 1651, 2111, 3175, 8255, 10555, 27443, 41275, 52775, 137215, 268097, 686075, 1340485, 3485261, 6702425, 17426305, 87131525]

約数ペア:

[(1, 87131525), (5, 17426305), (13, 6702425), (25, 3485261), (65, 1340485), (127, 686075), (325, 268097), (635, 137215), (1651, 52775), (2111, 41275), (3175, 27443), (8255, 10555)]