399388622

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1\times {\mathrm{2011}}^1$

素因数の和:2711

約数の個数: 16

約数和(自身を含む): 603600000

約数和(自身を除く): 204211378

約数列:

[1, 2, 199, 398, 499, 998, 2011, 4022, 99301, 198602, 400189, 800378, 1003489, 2006978, 199694311, 399388622]

約数ペア:

[(1, 399388622), (2, 199694311), (199, 2006978), (398, 1003489), (499, 800378), (998, 400189), (2011, 198602), (4022, 99301)]