399291242

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{276901}}^1$

素因数の和:277013

約数の個数: 16

約数和(自身を含む): 691147392

約数和(自身を除く): 291856150

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 276901, 553802, 1938307, 3876614, 28520803, 57041606, 199645621, 399291242]

約数ペア:

[(1, 399291242), (2, 199645621), (7, 57041606), (14, 28520803), (103, 3876614), (206, 1938307), (721, 553802), (1442, 276901)]