221917996885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{40639}}^1\times {\mathrm{84011}}^1$

素因数の和:124668

約数の個数: 16

約数和(自身を含む): 286796805120

約数和(自身を除く): 64878808235

約数列:

[1, 5, 13, 65, 40639, 84011, 203195, 420055, 528307, 1092143, 2641535, 5460715, 3414123029, 17070615145, 44383599377, 221917996885]

約数ペア:

[(1, 221917996885), (5, 44383599377), (13, 17070615145), (65, 3414123029), (40639, 5460715), (84011, 2641535), (203195, 1092143), (420055, 528307)]