81465872

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{175573}}^1$

素因数の和:175610

約数の個数: 20

約数和(自身を含む): 163283820

約数和(自身を除く): 81817948

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 175573, 351146, 702292, 1404584, 2809168, 5091617, 10183234, 20366468, 40732936, 81465872]

約数ペア:

[(1, 81465872), (2, 40732936), (4, 20366468), (8, 10183234), (16, 5091617), (29, 2809168), (58, 1404584), (116, 702292), (232, 351146), (464, 175573)]