290609488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1397161}}^1$

素因数の和:1397182

約数の個数: 20

約数和(自身を含む): 606368308

約数和(自身を除く): 315758820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1397161, 2794322, 5588644, 11177288, 18163093, 22354576, 36326186, 72652372, 145304744, 290609488]

約数ペア:

[(1, 290609488), (2, 145304744), (4, 72652372), (8, 36326186), (13, 22354576), (16, 18163093), (26, 11177288), (52, 5588644), (104, 2794322), (208, 1397161)]