81955258

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{17167}}^1$

素因数の和:17218

約数の個数: 32

約数和(自身を含む): 158220288

約数和(自身を除く): 76265030

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 17167, 34334, 120169, 188837, 240338, 377674, 532177, 1064354, 1321859, 2643718, 3725239, 5853947, 7450478, 11707894, 40977629, 81955258]

約数ペア:

[(1, 81955258), (2, 40977629), (7, 11707894), (11, 7450478), (14, 5853947), (22, 3725239), (31, 2643718), (62, 1321859), (77, 1064354), (154, 532177), (217, 377674), (341, 240338), (434, 188837), (682, 120169), (2387, 34334), (4774, 17167)]