81508306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{86161}}^1$

素因数の和:86217

約数の個数: 16

約数和(自身を含む): 136480608

約数和(自身を除く): 54972302

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 86161, 172322, 947771, 1895542, 3704923, 7409846, 40754153, 81508306]

約数ペア:

[(1, 81508306), (2, 40754153), (11, 7409846), (22, 3704923), (43, 1895542), (86, 947771), (473, 172322), (946, 86161)]