216001513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{55201}}^1$

素因数の和:55264

約数の個数: 16

約数和(自身を含む): 272035456

約数和(自身を除く): 56033943

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 55201, 386407, 717613, 2373643, 5023291, 16615501, 30857359, 216001513]

約数ペア:

[(1, 216001513), (7, 30857359), (13, 16615501), (43, 5023291), (91, 2373643), (301, 717613), (559, 386407), (3913, 55201)]