210147721972

素因数分解:

$2^2\times {\mathrm{277}}^1\times {\mathrm{189664009}}^1$

素因数の和:189664290

約数の個数: 12

約数和(自身を含む): 369086163460

約数和(自身を除く): 158938441488

約数列:

[1, 2, 4, 277, 554, 1108, 189664009, 379328018, 758656036, 52536930493, 105073860986, 210147721972]

約数ペア:

[(1, 210147721972), (2, 105073860986), (4, 52536930493), (277, 758656036), (554, 379328018), (1108, 189664009)]