129458564

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{821}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 230160000

約数和(自身を除く): 100701436

約数列:

[1, 2, 4, 79, 158, 316, 499, 821, 998, 1642, 1996, 3284, 39421, 64859, 78842, 129718, 157684, 259436, 409679, 819358, 1638716, 32364641, 64729282, 129458564]

約数ペア:

[(1, 129458564), (2, 64729282), (4, 32364641), (79, 1638716), (158, 819358), (316, 409679), (499, 259436), (821, 157684), (998, 129718), (1642, 78842), (1996, 64859), (3284, 39421)]