8664257

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 10213632

約数和(自身を除く): 1549375

約数列:

[1, 7, 61, 103, 197, 427, 721, 1379, 6283, 12017, 20291, 43981, 84119, 142037, 1237751, 8664257]

約数ペア:

[(1, 8664257), (7, 1237751), (61, 142037), (103, 84119), (197, 43981), (427, 20291), (721, 12017), (1379, 6283)]