12954890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{439}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 25280640

約数和(自身を除く): 12325750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 439, 454, 878, 1135, 2195, 2270, 2951, 4390, 5707, 5902, 11414, 14755, 28535, 29510, 57070, 99653, 199306, 498265, 996530, 1295489, 2590978, 6477445, 12954890]

約数ペア:

[(1, 12954890), (2, 6477445), (5, 2590978), (10, 1295489), (13, 996530), (26, 498265), (65, 199306), (130, 99653), (227, 57070), (439, 29510), (454, 28535), (878, 14755), (1135, 11414), (2195, 5902), (2270, 5707), (2951, 4390)]