2801665

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 3503808

約数和(自身を除く): 702143

約数列:

[1, 5, 43, 83, 157, 215, 415, 785, 3569, 6751, 13031, 17845, 33755, 65155, 560333, 2801665]

約数ペア:

[(1, 2801665), (5, 560333), (43, 65155), (83, 33755), (157, 17845), (215, 13031), (415, 6751), (785, 3569)]