666279664

素因数分解:

$2^4\times {\mathrm{10061}}^1\times {\mathrm{4139}}^1$

素因数の和:14208

約数の個数: 20

約数和(自身を含む): 1291357080

約数和(自身を除く): 625077416

約数列:

[1, 2, 4, 8, 16, 4139, 8278, 10061, 16556, 20122, 33112, 40244, 66224, 80488, 160976, 41642479, 83284958, 166569916, 333139832, 666279664]

約数ペア:

[(1, 666279664), (2, 333139832), (4, 166569916), (8, 83284958), (16, 41642479), (4139, 160976), (8278, 80488), (10061, 66224), (16556, 40244), (20122, 33112)]