278276471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 328527360

約数和(自身を除く): 50250889

約数列:

[1, 11, 23, 41, 139, 193, 253, 451, 943, 1529, 2123, 3197, 4439, 5699, 7913, 10373, 26827, 35167, 48829, 62689, 87043, 131077, 181999, 295097, 617021, 1099907, 1441847, 2001989, 6787231, 12098977, 25297861, 278276471]

約数ペア:

[(1, 278276471), (11, 25297861), (23, 12098977), (41, 6787231), (139, 2001989), (193, 1441847), (253, 1099907), (451, 617021), (943, 295097), (1529, 181999), (2123, 131077), (3197, 87043), (4439, 62689), (5699, 48829), (7913, 35167), (10373, 26827)]