686265554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{21269}}^1$

素因数の和:21374

約数の個数: 32

約数和(自身を含む): 1189928880

約数和(自身を除く): 503663326

約数列:

[1, 2, 13, 17, 26, 34, 73, 146, 221, 442, 949, 1241, 1898, 2482, 16133, 21269, 32266, 42538, 276497, 361573, 552994, 723146, 1552637, 3105274, 4700449, 9400898, 20184281, 26394829, 40368562, 52789658, 343132777, 686265554]

約数ペア:

[(1, 686265554), (2, 343132777), (13, 52789658), (17, 40368562), (26, 26394829), (34, 20184281), (73, 9400898), (146, 4700449), (221, 3105274), (442, 1552637), (949, 723146), (1241, 552994), (1898, 361573), (2482, 276497), (16133, 42538), (21269, 32266)]