81803458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{2011}}^1$

素因数の和:2110

約数の個数: 24

約数和(自身を含む): 137113776

約数和(自身を除く): 55310318

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 1849, 2011, 3698, 4022, 20339, 22121, 40678, 44242, 86473, 172946, 951203, 1902406, 3718339, 7436678, 40901729, 81803458]

約数ペア:

[(1, 81803458), (2, 40901729), (11, 7436678), (22, 3718339), (43, 1902406), (86, 951203), (473, 172946), (946, 86473), (1849, 44242), (2011, 40678), (3698, 22121), (4022, 20339)]