257596415

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{11923}}^1$

素因数の和:12106

約数の個数: 16

約数和(自身を含む): 321948000

約数和(自身を除く): 64351585

約数列:

[1, 5, 29, 145, 149, 745, 4321, 11923, 21605, 59615, 345767, 1728835, 1776527, 8882635, 51519283, 257596415]

約数ペア:

[(1, 257596415), (5, 51519283), (29, 8882635), (145, 1776527), (149, 1728835), (745, 345767), (4321, 59615), (11923, 21605)]