397719938

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{4957}}^1$

素因数の和:5498

約数の個数: 32

約数和(自身を含む): 745365888

約数和(自身を除く): 347645950

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 521, 1042, 3647, 4957, 5731, 7294, 9914, 11462, 34699, 40117, 54527, 69398, 80234, 109054, 381689, 763378, 2582597, 5165194, 18078179, 28408567, 36156358, 56817134, 198859969, 397719938]

約数ペア:

[(1, 397719938), (2, 198859969), (7, 56817134), (11, 36156358), (14, 28408567), (22, 18078179), (77, 5165194), (154, 2582597), (521, 763378), (1042, 381689), (3647, 109054), (4957, 80234), (5731, 69398), (7294, 54527), (9914, 40117), (11462, 34699)]