257029071988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4942866769}}^1$

素因数の和:4942866786

約数の個数: 12

約数和(自身を含む): 484400943460

約数和(自身を除く): 227371871472

約数列:

[1, 2, 4, 13, 26, 52, 4942866769, 9885733538, 19771467076, 64257267997, 128514535994, 257029071988]

約数ペア:

[(1, 257029071988), (2, 128514535994), (4, 64257267997), (13, 19771467076), (26, 9885733538), (52, 4942866769)]