30991310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{442733}}^1$

素因数の和:442747

約数の個数: 16

約数和(自身を含む): 63753696

約数和(自身を除く): 32762386

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 442733, 885466, 2213665, 3099131, 4427330, 6198262, 15495655, 30991310]

約数ペア:

[(1, 30991310), (2, 15495655), (5, 6198262), (7, 4427330), (10, 3099131), (14, 2213665), (35, 885466), (70, 442733)]