420639804962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1\times {\mathrm{8142151}}^1$

素因数の和:8144153

約数の個数: 16

約数和(自身を含む): 679837123392

約数和(自身を除く): 259197318430

約数列:

[1, 2, 13, 26, 1987, 3974, 25831, 51662, 8142151, 16284302, 105847963, 211695926, 16178454037, 32356908074, 210319902481, 420639804962]

約数ペア:

[(1, 420639804962), (2, 210319902481), (13, 32356908074), (26, 16178454037), (1987, 211695926), (3974, 105847963), (25831, 16284302), (51662, 8142151)]