1222455311

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{260263}}^1$

素因数の和:260342

約数の個数: 16

約数和(自身を含む): 1549091328

約数和(自身を除く): 326636017

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 260263, 1821841, 2862893, 15876043, 20040251, 111132301, 174636473, 1222455311]

約数ペア:

[(1, 1222455311), (7, 174636473), (11, 111132301), (61, 20040251), (77, 15876043), (427, 2862893), (671, 1821841), (4697, 260263)]