720282004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{84979}}^1$

素因数の和:85159

約数の個数: 24

約数和(自身を含む): 1365798560

約数和(自身を除く): 645516556

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 4238, 8476, 84979, 169958, 339916, 1104727, 2209454, 4418908, 13851577, 27703154, 55406308, 180070501, 360141002, 720282004]

約数ペア:

[(1, 720282004), (2, 360141002), (4, 180070501), (13, 55406308), (26, 27703154), (52, 13851577), (163, 4418908), (326, 2209454), (652, 1104727), (2119, 339916), (4238, 169958), (8476, 84979)]