2991388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43991}}^1$

素因数の和:44012

約数の個数: 12

約数和(自身を含む): 5542992

約数和(自身を除く): 2551604

約数列:

[1, 2, 4, 17, 34, 68, 43991, 87982, 175964, 747847, 1495694, 2991388]

約数ペア:

[(1, 2991388), (2, 1495694), (4, 747847), (17, 175964), (34, 87982), (68, 43991)]