13881217

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 16422912

約数和(自身を除く): 2541695

約数列:

[1, 7, 43, 107, 301, 431, 749, 3017, 4601, 18533, 32207, 46117, 129731, 322819, 1983031, 13881217]

約数ペア:

[(1, 13881217), (7, 1983031), (43, 322819), (107, 129731), (301, 46117), (431, 32207), (749, 18533), (3017, 4601)]