257003656

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15349}}^1$

素因数の和:15398

約数の個数: 64

約数和(自身を含む): 618912000

約数和(自身を除く): 361908344

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 104, 161, 182, 184, 299, 322, 364, 598, 644, 728, 1196, 1288, 2093, 2392, 4186, 8372, 15349, 16744, 30698, 61396, 107443, 122792, 199537, 214886, 353027, 399074, 429772, 706054, 798148, 859544, 1396759, 1412108, 1596296, 2471189, 2793518, 2824216, 4589351, 4942378, 5587036, 9178702, 9884756, 11174072, 18357404, 19769512, 32125457, 36714808, 64250914, 128501828, 257003656]

約数ペア:

[(1, 257003656), (2, 128501828), (4, 64250914), (7, 36714808), (8, 32125457), (13, 19769512), (14, 18357404), (23, 11174072), (26, 9884756), (28, 9178702), (46, 5587036), (52, 4942378), (56, 4589351), (91, 2824216), (92, 2793518), (104, 2471189), (161, 1596296), (182, 1412108), (184, 1396759), (299, 859544), (322, 798148), (364, 706054), (598, 429772), (644, 399074), (728, 353027), (1196, 214886), (1288, 199537), (2093, 122792), (2392, 107443), (4186, 61396), (8372, 30698), (15349, 16744)]