30991282

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{6271}}^1$

素因数の和:6633

約数の個数: 16

約数和(自身を含む): 53286912

約数和(自身を除く): 22295630

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4942, 6271, 12542, 43897, 87794, 2213663, 4427326, 15495641, 30991282]

約数ペア:

[(1, 30991282), (2, 15495641), (7, 4427326), (14, 2213663), (353, 87794), (706, 43897), (2471, 12542), (4942, 6271)]