81329656

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{442009}}^1$

素因数の和:442038

約数の個数: 16

約数和(自身を含む): 159123600

約数和(自身を除く): 77793944

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 442009, 884018, 1768036, 3536072, 10166207, 20332414, 40664828, 81329656]

約数ペア:

[(1, 81329656), (2, 40664828), (4, 20332414), (8, 10166207), (23, 3536072), (46, 1768036), (92, 884018), (184, 442009)]