28751305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{12157}}^1$

素因数の和:12216

約数の個数: 16

約数和(自身を含む): 38516544

約数和(自身を除く): 9765239

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 12157, 60785, 133727, 522751, 668635, 2613755, 5750261, 28751305]

約数ペア:

[(1, 28751305), (5, 5750261), (11, 2613755), (43, 668635), (55, 522751), (215, 133727), (473, 60785), (2365, 12157)]