173620868

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{398213}}^1$

素因数の和:398326

約数の個数: 12

約数和(自身を含む): 306624780

約数和(自身を除く): 133003912

約数列:

[1, 2, 4, 109, 218, 436, 398213, 796426, 1592852, 43405217, 86810434, 173620868]

約数ペア:

[(1, 173620868), (2, 86810434), (4, 43405217), (109, 1592852), (218, 796426), (436, 398213)]