127989788

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{72229}}^1$

素因数の和:72676

約数の個数: 12

約数和(自身を含む): 224490840

約数和(自身を除く): 96501052

約数列:

[1, 2, 4, 443, 886, 1772, 72229, 144458, 288916, 31997447, 63994894, 127989788]

約数ペア:

[(1, 127989788), (2, 63994894), (4, 31997447), (443, 288916), (886, 144458), (1772, 72229)]