397804852

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{243157}}^1$

素因数の和:243570

約数の個数: 12

約数和(自身を含む): 697863460

約数和(自身を除く): 300058608

約数列:

[1, 2, 4, 409, 818, 1636, 243157, 486314, 972628, 99451213, 198902426, 397804852]

約数ペア:

[(1, 397804852), (2, 198902426), (4, 99451213), (409, 972628), (818, 486314), (1636, 243157)]