1966565575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{90313}}^1$

素因数の和:90403

約数の個数: 24

約数和(自身を含む): 2665346768

約数和(自身を除く): 698781193

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 4355, 21775, 90313, 451565, 1174069, 2257825, 5870345, 6050971, 29351725, 30254855, 78662623, 151274275, 393313115, 1966565575]

約数ペア:

[(1, 1966565575), (5, 393313115), (13, 151274275), (25, 78662623), (65, 30254855), (67, 29351725), (325, 6050971), (335, 5870345), (871, 2257825), (1675, 1174069), (4355, 451565), (21775, 90313)]