257520145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1\times {\mathrm{3803}}^1$

素因数の和:4304

約数の個数: 16

約数和(自身を含む): 320448960

約数和(自身を除く): 62928815

約数列:

[1, 5, 29, 145, 467, 2335, 3803, 13543, 19015, 67715, 110287, 551435, 1776001, 8880005, 51504029, 257520145]

約数ペア:

[(1, 257520145), (5, 51504029), (29, 8880005), (145, 1776001), (467, 551435), (2335, 110287), (3803, 67715), (13543, 19015)]