249542540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{959779}}^1$

素因数の和:959801

約数の個数: 24

約数和(自身を含む): 564350640

約数和(自身を除く): 314808100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 959779, 1919558, 3839116, 4798895, 9597790, 12477127, 19195580, 24954254, 49908508, 62385635, 124771270, 249542540]

約数ペア:

[(1, 249542540), (2, 124771270), (4, 62385635), (5, 49908508), (10, 24954254), (13, 19195580), (20, 12477127), (26, 9597790), (52, 4798895), (65, 3839116), (130, 1919558), (260, 959779)]