2051220895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1\times {\mathrm{13721}}^1$

素因数の和:14786

約数の個数: 16

約数和(自身を含む): 2548998720

約数和(自身を除く): 497777825

約数列:

[1, 5, 29, 145, 1031, 5155, 13721, 29899, 68605, 149495, 397909, 1989545, 14146351, 70731755, 410244179, 2051220895]

約数ペア:

[(1, 2051220895), (5, 410244179), (29, 70731755), (145, 14146351), (1031, 1989545), (5155, 397909), (13721, 149495), (29899, 68605)]