81097918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89909}}^1$

素因数の和:89963

約数の個数: 16

約数和(自身を含む): 135943920

約数和(自身を除く): 54846002

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 89909, 179818, 988999, 1977998, 3686269, 7372538, 40548959, 81097918]

約数ペア:

[(1, 81097918), (2, 40548959), (11, 7372538), (22, 3686269), (41, 1977998), (82, 988999), (451, 179818), (902, 89909)]