391981204

素因数分解:

$2^2\times {\mathrm{419}}^1\times {\mathrm{233879}}^1$

素因数の和:234302

約数の個数: 12

約数和(自身を含む): 687607200

約数和(自身を除く): 295625996

約数列:

[1, 2, 4, 419, 838, 1676, 233879, 467758, 935516, 97995301, 195990602, 391981204]

約数ペア:

[(1, 391981204), (2, 195990602), (4, 97995301), (419, 935516), (838, 467758), (1676, 233879)]