4139005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 5496624

約数和(自身を除く): 1357619

約数列:

[1, 5, 13, 37, 65, 185, 481, 1721, 2405, 8605, 22373, 63677, 111865, 318385, 827801, 4139005]

約数ペア:

[(1, 4139005), (5, 827801), (13, 318385), (37, 111865), (65, 63677), (185, 22373), (481, 8605), (1721, 2405)]