66810575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 89640096

約数和(自身を除く): 22829521

約数列:

[1, 5, 13, 25, 65, 311, 325, 661, 1555, 3305, 4043, 7775, 8593, 16525, 20215, 42965, 101075, 205571, 214825, 1027855, 2672423, 5139275, 13362115, 66810575]

約数ペア:

[(1, 66810575), (5, 13362115), (13, 5139275), (25, 2672423), (65, 1027855), (311, 214825), (325, 205571), (661, 101075), (1555, 42965), (3305, 20215), (4043, 16525), (7775, 8593)]