820226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1657

約数の個数: 16

約数和(自身を含む): 1401408

約数和(自身を除く): 581182

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 1621, 3242, 17831, 35662, 37283, 74566, 410113, 820226]

約数ペア:

[(1, 820226), (2, 410113), (11, 74566), (22, 37283), (23, 35662), (46, 17831), (253, 3242), (506, 1621)]