256192216

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{449}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 575424000

約数和(自身を除く): 319231784

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 443, 449, 644, 886, 898, 1288, 1772, 1796, 3101, 3143, 3544, 3592, 6202, 6286, 10189, 10327, 12404, 12572, 20378, 20654, 24808, 25144, 40756, 41308, 71323, 72289, 81512, 82616, 142646, 144578, 198907, 285292, 289156, 397814, 570584, 578312, 795628, 1392349, 1591256, 2784698, 4574861, 5569396, 9149722, 11138792, 18299444, 32024027, 36598888, 64048054, 128096108, 256192216]

約数ペア:

[(1, 256192216), (2, 128096108), (4, 64048054), (7, 36598888), (8, 32024027), (14, 18299444), (23, 11138792), (28, 9149722), (46, 5569396), (56, 4574861), (92, 2784698), (161, 1591256), (184, 1392349), (322, 795628), (443, 578312), (449, 570584), (644, 397814), (886, 289156), (898, 285292), (1288, 198907), (1772, 144578), (1796, 142646), (3101, 82616), (3143, 81512), (3544, 72289), (3592, 71323), (6202, 41308), (6286, 40756), (10189, 25144), (10327, 24808), (12404, 20654), (12572, 20378)]