25991917

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2196

約数の個数: 16

約数和(自身を含む): 31248000

約数和(自身を除く): 5256083

約数列:

[1, 7, 29, 61, 203, 427, 1769, 2099, 12383, 14693, 60871, 128039, 426097, 896273, 3713131, 25991917]

約数ペア:

[(1, 25991917), (7, 3713131), (29, 896273), (61, 426097), (203, 128039), (427, 60871), (1769, 14693), (2099, 12383)]