81806478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{80677}}^1$

素因数の和:80708

約数の個数: 24

約数和(自身を含む): 177168888

約数和(自身を除く): 95362410

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 80677, 161354, 242031, 484062, 1048801, 2097602, 3146403, 6292806, 13634413, 27268826, 40903239, 81806478]

約数ペア:

[(1, 81806478), (2, 40903239), (3, 27268826), (6, 13634413), (13, 6292806), (26, 3146403), (39, 2097602), (78, 1048801), (169, 484062), (338, 242031), (507, 161354), (1014, 80677)]