81585548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 160302240

約数和(自身を除く): 78716692

約数列:

[1, 2, 4, 11, 22, 44, 61, 113, 122, 226, 244, 269, 452, 538, 671, 1076, 1243, 1342, 2486, 2684, 2959, 4972, 5918, 6893, 11836, 13786, 16409, 27572, 30397, 32818, 60794, 65636, 75823, 121588, 151646, 180499, 303292, 334367, 360998, 668734, 721996, 1337468, 1854217, 3708434, 7416868, 20396387, 40792774, 81585548]

約数ペア:

[(1, 81585548), (2, 40792774), (4, 20396387), (11, 7416868), (22, 3708434), (44, 1854217), (61, 1337468), (113, 721996), (122, 668734), (226, 360998), (244, 334367), (269, 303292), (452, 180499), (538, 151646), (671, 121588), (1076, 75823), (1243, 65636), (1342, 60794), (2486, 32818), (2684, 30397), (2959, 27572), (4972, 16409), (5918, 13786), (6893, 11836)]