28138505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{433}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 34779024

約数和(自身を除く): 6640519

約数列:

[1, 5, 41, 205, 317, 433, 1585, 2165, 12997, 17753, 64985, 88765, 137261, 686305, 5627701, 28138505]

約数ペア:

[(1, 28138505), (5, 5627701), (41, 686305), (205, 137261), (317, 88765), (433, 64985), (1585, 17753), (2165, 12997)]