128223956

素因数分解:

$2^2\times 7^1\times {\mathrm{4579427}}^1$

素因数の和:4579438

約数の個数: 12

約数和(自身を含む): 256447968

約数和(自身を除く): 128224012

約数列:

[1, 2, 4, 7, 14, 28, 4579427, 9158854, 18317708, 32055989, 64111978, 128223956]

約数ペア:

[(1, 128223956), (2, 64111978), (4, 32055989), (7, 18317708), (14, 9158854), (28, 4579427)]