81666508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{265151}}^1$

素因数の和:265173

約数の個数: 24

約数和(自身を含む): 178182144

約数和(自身を除く): 96515636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 265151, 530302, 1060604, 1856057, 2916661, 3712114, 5833322, 7424228, 11666644, 20416627, 40833254, 81666508]

約数ペア:

[(1, 81666508), (2, 40833254), (4, 20416627), (7, 11666644), (11, 7424228), (14, 5833322), (22, 3712114), (28, 2916661), (44, 1856057), (77, 1060604), (154, 530302), (308, 265151)]