81295332

素因数分解:

$2^2\times 3^1\times {\mathrm{1999}}^1\times {\mathrm{3389}}^1$

素因数の和:5395

約数の個数: 24

約数和(自身を含む): 189840000

約数和(自身を除く): 108544668

約数列:

[1, 2, 3, 4, 6, 12, 1999, 3389, 3998, 5997, 6778, 7996, 10167, 11994, 13556, 20334, 23988, 40668, 6774611, 13549222, 20323833, 27098444, 40647666, 81295332]

約数ペア:

[(1, 81295332), (2, 40647666), (3, 27098444), (4, 20323833), (6, 13549222), (12, 6774611), (1999, 40668), (3389, 23988), (3998, 20334), (5997, 13556), (6778, 11994), (7996, 10167)]