257450159

素因数分解:

${\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{20717}}^1$

素因数の和:20794

約数の個数: 12

約数和(自身を含む): 279858744

約数和(自身を除く): 22408585

約数列:

[1, 17, 43, 289, 731, 12427, 20717, 352189, 890831, 5987213, 15144127, 257450159]

約数ペア:

[(1, 257450159), (17, 15144127), (43, 5987213), (289, 890831), (731, 352189), (12427, 20717)]