81491718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{176389}}^1$

素因数の和:176412

約数の個数: 32

約数和(自身を含む): 203201280

約数和(自身を除く): 121709562

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 176389, 352778, 529167, 1058334, 1234723, 1940279, 2469446, 3704169, 3880558, 5820837, 7408338, 11641674, 13581953, 27163906, 40745859, 81491718]

約数ペア:

[(1, 81491718), (2, 40745859), (3, 27163906), (6, 13581953), (7, 11641674), (11, 7408338), (14, 5820837), (21, 3880558), (22, 3704169), (33, 2469446), (42, 1940279), (66, 1234723), (77, 1058334), (154, 529167), (231, 352778), (462, 176389)]