31891912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{306653}}^1$

素因数の和:306672

約数の個数: 16

約数和(自身を含む): 64397340

約数和(自身を除く): 32505428

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 306653, 613306, 1226612, 2453224, 3986489, 7972978, 15945956, 31891912]

約数ペア:

[(1, 31891912), (2, 15945956), (4, 7972978), (8, 3986489), (13, 2453224), (26, 1226612), (52, 613306), (104, 306653)]