820310398

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1\times {\mathrm{4451}}^1$

素因数の和:6639

約数の個数: 16

約数和(自身を含む): 1259951616

約数和(自身を除く): 439641218

約数列:

[1, 2, 43, 86, 2143, 4286, 4451, 8902, 92149, 184298, 191393, 382786, 9538493, 19076986, 410155199, 820310398]

約数ペア:

[(1, 820310398), (2, 410155199), (43, 19076986), (86, 9538493), (2143, 382786), (4286, 191393), (4451, 184298), (8902, 92149)]