128387441

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{2647}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 162820224

約数和(自身を除く): 34432783

約数列:

[1, 7, 13, 41, 91, 169, 287, 533, 1183, 2647, 3731, 6929, 18529, 34411, 48503, 108527, 240877, 447343, 759689, 1410851, 3131401, 9875957, 18341063, 128387441]

約数ペア:

[(1, 128387441), (7, 18341063), (13, 9875957), (41, 3131401), (91, 1410851), (169, 759689), (287, 447343), (533, 240877), (1183, 108527), (2647, 48503), (3731, 34411), (6929, 18529)]