28180255

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 34573824

約数和(自身を除く): 6393569

約数列:

[1, 5, 71, 163, 355, 487, 815, 2435, 11573, 34577, 57865, 79381, 172885, 396905, 5636051, 28180255]

約数ペア:

[(1, 28180255), (5, 5636051), (71, 396905), (163, 172885), (355, 79381), (487, 57865), (815, 34577), (2435, 11573)]