256668763

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 41376677

約数列:

[1, 13, 29, 43, 71, 223, 377, 559, 923, 1247, 2059, 2899, 3053, 6467, 9589, 15833, 16211, 26767, 39689, 84071, 88537, 124657, 205829, 278081, 459157, 680819, 1150981, 3615053, 5969041, 8850647, 19743751, 256668763]

約数ペア:

[(1, 256668763), (13, 19743751), (29, 8850647), (43, 5969041), (71, 3615053), (223, 1150981), (377, 680819), (559, 459157), (923, 278081), (1247, 205829), (2059, 124657), (2899, 88537), (3053, 84071), (6467, 39689), (9589, 26767), (15833, 16211)]