84990575

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 108699888

約数和(自身を除く): 23709313

約数列:

[1, 5, 25, 43, 173, 215, 457, 865, 1075, 2285, 4325, 7439, 11425, 19651, 37195, 79061, 98255, 185975, 395305, 491275, 1976525, 3399623, 16998115, 84990575]

約数ペア:

[(1, 84990575), (5, 16998115), (25, 3399623), (43, 1976525), (173, 491275), (215, 395305), (457, 185975), (865, 98255), (1075, 79061), (2285, 37195), (4325, 19651), (7439, 11425)]