217103636

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{889769}}^1$

素因数の和:889834

約数の個数: 12

約数和(自身を含む): 386160180

約数和(自身を除く): 169056544

約数列:

[1, 2, 4, 61, 122, 244, 889769, 1779538, 3559076, 54275909, 108551818, 217103636]

約数ペア:

[(1, 217103636), (2, 108551818), (4, 54275909), (61, 3559076), (122, 1779538), (244, 889769)]