30989812

素因数分解:

$2^2\times 7^1\times {\mathrm{1106779}}^1$

素因数の和:1106790

約数の個数: 12

約数和(自身を含む): 61979680

約数和(自身を除く): 30989868

約数列:

[1, 2, 4, 7, 14, 28, 1106779, 2213558, 4427116, 7747453, 15494906, 30989812]

約数ペア:

[(1, 30989812), (2, 15494906), (4, 7747453), (7, 4427116), (14, 2213558), (28, 1106779)]