258438808

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{232409}}^1$

素因数の和:232554

約数の個数: 16

約数和(自身を含む): 488061000

約数和(自身を除く): 229622192

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 232409, 464818, 929636, 1859272, 32304851, 64609702, 129219404, 258438808]

約数ペア:

[(1, 258438808), (2, 129219404), (4, 64609702), (8, 32304851), (139, 1859272), (278, 929636), (556, 464818), (1112, 232409)]