87835490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2179}}^1$

素因数の和:2354

約数の個数: 32

約数和(自身を含む): 164808000

約数和(自身を除く): 76972510

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 2179, 4031, 4358, 8062, 10895, 20155, 21790, 40310, 63191, 126382, 302881, 315955, 605762, 631910, 1514405, 3028810, 8783549, 17567098, 43917745, 87835490]

約数ペア:

[(1, 87835490), (2, 43917745), (5, 17567098), (10, 8783549), (29, 3028810), (58, 1514405), (139, 631910), (145, 605762), (278, 315955), (290, 302881), (695, 126382), (1390, 63191), (2179, 40310), (4031, 21790), (4358, 20155), (8062, 10895)]