686803988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{13207769}}^1$

素因数の和:13207786

約数の個数: 12

約数和(自身を含む): 1294361460

約数和(自身を除く): 607557472

約数列:

[1, 2, 4, 13, 26, 52, 13207769, 26415538, 52831076, 171700997, 343401994, 686803988]

約数ペア:

[(1, 686803988), (2, 343401994), (4, 171700997), (13, 52831076), (26, 26415538), (52, 13207769)]