81805438

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{26003}}^1$

素因数の和:26040

約数の個数: 24

約数和(自身を含む): 145258344

約数和(自身を除く): 63452906

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 26003, 52006, 286033, 338039, 572066, 676078, 3146363, 3718429, 6292726, 7436858, 40902719, 81805438]

約数ペア:

[(1, 81805438), (2, 40902719), (11, 7436858), (13, 6292726), (22, 3718429), (26, 3146363), (121, 676078), (143, 572066), (242, 338039), (286, 286033), (1573, 52006), (3146, 26003)]