28067347

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 36748800

約数和(自身を除く): 8681453

約数列:

[1, 7, 11, 43, 49, 77, 173, 301, 343, 473, 539, 1211, 1903, 2107, 3311, 3773, 7439, 8477, 13321, 14749, 23177, 52073, 59339, 81829, 93247, 162239, 364511, 572803, 652729, 2551577, 4009621, 28067347]

約数ペア:

[(1, 28067347), (7, 4009621), (11, 2551577), (43, 652729), (49, 572803), (77, 364511), (173, 162239), (301, 93247), (343, 81829), (473, 59339), (539, 52073), (1211, 23177), (1903, 14749), (2107, 13321), (3311, 8477), (3773, 7439)]