404356012

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{643879}}^1$

素因数の和:644040

約数の個数: 12

約数和(自身を含む): 712131280

約数和(自身を除く): 307775268

約数列:

[1, 2, 4, 157, 314, 628, 643879, 1287758, 2575516, 101089003, 202178006, 404356012]

約数ペア:

[(1, 404356012), (2, 202178006), (4, 101089003), (157, 2575516), (314, 1287758), (628, 643879)]