31305316

素因数分解:

$2^2\times 7^2\times {\mathrm{159721}}^1$

素因数の和:159739

約数の個数: 18

約数和(自身を含む): 63729078

約数和(自身を除く): 32423762

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 159721, 319442, 638884, 1118047, 2236094, 4472188, 7826329, 15652658, 31305316]

約数ペア:

[(1, 31305316), (2, 15652658), (4, 7826329), (7, 4472188), (14, 2236094), (28, 1118047), (49, 638884), (98, 319442), (196, 159721)]