81305906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1039}}^1\times {\mathrm{3557}}^1$

素因数の和:4609

約数の個数: 16

約数和(自身を含む): 133211520

約数和(自身を除く): 51905614

約数列:

[1, 2, 11, 22, 1039, 2078, 3557, 7114, 11429, 22858, 39127, 78254, 3695723, 7391446, 40652953, 81305906]

約数ペア:

[(1, 81305906), (2, 40652953), (11, 7391446), (22, 3695723), (1039, 78254), (2078, 39127), (3557, 22858), (7114, 11429)]