2561816257

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{16301}}^1$

素因数の和:16489

約数の個数: 32

約数和(自身を含む): 3461762304

約数和(自身を除く): 899946047

約数列:

[1, 7, 11, 13, 77, 91, 143, 157, 1001, 1099, 1727, 2041, 12089, 14287, 16301, 22451, 114107, 157157, 179311, 211913, 1255177, 1483391, 2331043, 2559257, 16317301, 17914799, 28151827, 33270341, 197062789, 232892387, 365973751, 2561816257]

約数ペア:

[(1, 2561816257), (7, 365973751), (11, 232892387), (13, 197062789), (77, 33270341), (91, 28151827), (143, 17914799), (157, 16317301), (1001, 2559257), (1099, 2331043), (1727, 1483391), (2041, 1255177), (12089, 211913), (14287, 179311), (16301, 157157), (22451, 114107)]