256813271

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 322056000

約数和(自身を除く): 65242729

約数列:

[1, 11, 13, 17, 143, 149, 187, 221, 709, 1639, 1937, 2431, 2533, 7799, 9217, 12053, 21307, 27863, 32929, 101387, 105641, 132583, 156689, 362219, 1162051, 1373333, 1723579, 1795897, 15106663, 19754867, 23346661, 256813271]

約数ペア:

[(1, 256813271), (11, 23346661), (13, 19754867), (17, 15106663), (143, 1795897), (149, 1723579), (187, 1373333), (221, 1162051), (709, 362219), (1639, 156689), (1937, 132583), (2431, 105641), (2533, 101387), (7799, 32929), (9217, 27863), (12053, 21307)]