251891572

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{142151}}^1$

素因数の和:142598

約数の個数: 12

約数和(自身を含む): 441808416

約数和(自身を除く): 189916844

約数列:

[1, 2, 4, 443, 886, 1772, 142151, 284302, 568604, 62972893, 125945786, 251891572]

約数ペア:

[(1, 251891572), (2, 125945786), (4, 62972893), (443, 568604), (886, 284302), (1772, 142151)]