280497145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{2797}}^1$

素因数の和:3480

約数の個数: 16

約数和(自身を含む): 348115968

約数和(自身を除く): 67618823

約数列:

[1, 5, 31, 155, 647, 2797, 3235, 13985, 20057, 86707, 100285, 433535, 1809659, 9048295, 56099429, 280497145]

約数ペア:

[(1, 280497145), (5, 56099429), (31, 9048295), (155, 1809659), (647, 433535), (2797, 100285), (3235, 86707), (13985, 20057)]