217653410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{4441}}^1$

素因数の和:4503

約数の個数: 48

約数和(自身を含む): 438958440

約数和(自身を除く): 221305030

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 290, 338, 377, 754, 845, 1690, 1885, 3770, 4441, 4901, 8882, 9802, 22205, 24505, 44410, 49010, 57733, 115466, 128789, 257578, 288665, 577330, 643945, 750529, 1287890, 1501058, 1674257, 3348514, 3752645, 7505290, 8371285, 16742570, 21765341, 43530682, 108826705, 217653410]

約数ペア:

[(1, 217653410), (2, 108826705), (5, 43530682), (10, 21765341), (13, 16742570), (26, 8371285), (29, 7505290), (58, 3752645), (65, 3348514), (130, 1674257), (145, 1501058), (169, 1287890), (290, 750529), (338, 643945), (377, 577330), (754, 288665), (845, 257578), (1690, 128789), (1885, 115466), (3770, 57733), (4441, 49010), (4901, 44410), (8882, 24505), (9802, 22205)]