12720604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5689}}^1$

素因数の和:5749

約数の個数: 24

約数和(自身を含む): 24535280

約数和(自身を除く): 11814676

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 5689, 11378, 22756, 73957, 147914, 244627, 295828, 489254, 978508, 3180151, 6360302, 12720604]

約数ペア:

[(1, 12720604), (2, 6360302), (4, 3180151), (13, 978508), (26, 489254), (43, 295828), (52, 244627), (86, 147914), (172, 73957), (559, 22756), (1118, 11378), (2236, 5689)]