13931275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 18401600

約数和(自身を除く): 4470325

約数列:

[1, 5, 19, 25, 95, 139, 211, 475, 695, 1055, 2641, 3475, 4009, 5275, 13205, 20045, 29329, 66025, 100225, 146645, 557251, 733225, 2786255, 13931275]

約数ペア:

[(1, 13931275), (5, 2786255), (19, 733225), (25, 557251), (95, 146645), (139, 100225), (211, 66025), (475, 29329), (695, 20045), (1055, 13205), (2641, 5275), (3475, 4009)]