257871426

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1\times {\mathrm{2221}}^1$

素因数の和:2786

約数の個数: 32

約数和(自身を含む): 530933568

約数和(自身を除く): 273062142

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 523, 1046, 1569, 2221, 3138, 4442, 6663, 13326, 19351, 38702, 58053, 82177, 116106, 164354, 246531, 493062, 1161583, 2323166, 3484749, 6969498, 42978571, 85957142, 128935713, 257871426]

約数ペア:

[(1, 257871426), (2, 128935713), (3, 85957142), (6, 42978571), (37, 6969498), (74, 3484749), (111, 2323166), (222, 1161583), (523, 493062), (1046, 246531), (1569, 164354), (2221, 116106), (3138, 82177), (4442, 58053), (6663, 38702), (13326, 19351)]