81640984

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{443701}}^1$

素因数の和:443730

約数の個数: 16

約数和(自身を含む): 159732720

約数和(自身を除く): 78091736

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 443701, 887402, 1774804, 3549608, 10205123, 20410246, 40820492, 81640984]

約数ペア:

[(1, 81640984), (2, 40820492), (4, 20410246), (8, 10205123), (23, 3549608), (46, 1774804), (92, 887402), (184, 443701)]