289072810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{171049}}^1$

素因数の和:171082

約数の個数: 24

約数和(自身を含む): 563438700

約数和(自身を除く): 274365890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 171049, 342098, 855245, 1710490, 2223637, 4447274, 11118185, 22236370, 28907281, 57814562, 144536405, 289072810]

約数ペア:

[(1, 289072810), (2, 144536405), (5, 57814562), (10, 28907281), (13, 22236370), (26, 11118185), (65, 4447274), (130, 2223637), (169, 1710490), (338, 855245), (845, 342098), (1690, 171049)]