399295226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{789121}}^1$

素因数の和:789157

約数の個数: 16

約数和(自身を含む): 681801408

約数和(自身を除く): 282506182

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 789121, 1578242, 8680331, 17360662, 18149783, 36299566, 199647613, 399295226]

約数ペア:

[(1, 399295226), (2, 199647613), (11, 36299566), (22, 18149783), (23, 17360662), (46, 8680331), (253, 1578242), (506, 789121)]