81821212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{347}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 164166912

約数和(自身を除く): 82345700

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 233, 253, 347, 466, 506, 694, 932, 1012, 1388, 2563, 3817, 5126, 5359, 7634, 7981, 10252, 10718, 15268, 15962, 21436, 31924, 58949, 80851, 87791, 117898, 161702, 175582, 235796, 323404, 351164, 889361, 1778722, 1859573, 3557444, 3719146, 7438292, 20455303, 40910606, 81821212]

約数ペア:

[(1, 81821212), (2, 40910606), (4, 20455303), (11, 7438292), (22, 3719146), (23, 3557444), (44, 1859573), (46, 1778722), (92, 889361), (233, 351164), (253, 323404), (347, 235796), (466, 175582), (506, 161702), (694, 117898), (932, 87791), (1012, 80851), (1388, 58949), (2563, 31924), (3817, 21436), (5126, 15962), (5359, 15268), (7634, 10718), (7981, 10252)]