30981212

素因数分解:

$2^2\times {\mathrm{307}}^1\times {\mathrm{25229}}^1$

素因数の和:25540

約数の個数: 12

約数和(自身を含む): 54395880

約数和(自身を除く): 23414668

約数列:

[1, 2, 4, 307, 614, 1228, 25229, 50458, 100916, 7745303, 15490606, 30981212]

約数ペア:

[(1, 30981212), (2, 15490606), (4, 7745303), (307, 100916), (614, 50458), (1228, 25229)]