779328940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2997419}}^1$

素因数の和:2997441

約数の個数: 24

約数和(自身を含む): 1762482960

約数和(自身を除く): 983154020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2997419, 5994838, 11989676, 14987095, 29974190, 38966447, 59948380, 77932894, 155865788, 194832235, 389664470, 779328940]

約数ペア:

[(1, 779328940), (2, 389664470), (4, 194832235), (5, 155865788), (10, 77932894), (13, 59948380), (20, 38966447), (26, 29974190), (52, 14987095), (65, 11989676), (130, 5994838), (260, 2997419)]