289408730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2226221}}^1$

素因数の和:2226241

約数の個数: 16

約数和(自身を含む): 561007944

約数和(自身を除く): 271599214

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2226221, 4452442, 11131105, 22262210, 28940873, 57881746, 144704365, 289408730]

約数ペア:

[(1, 289408730), (2, 144704365), (5, 57881746), (10, 28940873), (13, 22262210), (26, 11131105), (65, 4452442), (130, 2226221)]