12740791

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 15095808

約数和(自身を除く): 2355017

約数列:

[1, 7, 41, 103, 287, 431, 721, 3017, 4223, 17671, 29561, 44393, 123697, 310751, 1820113, 12740791]

約数ペア:

[(1, 12740791), (7, 1820113), (41, 310751), (103, 123697), (287, 44393), (431, 29561), (721, 17671), (3017, 4223)]