257853456

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:731

約数の個数: 200

約数和(自身を含む): 874073024

約数和(自身を除く): 616219568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 43, 48, 54, 56, 63, 72, 81, 84, 86, 108, 112, 126, 129, 144, 162, 168, 172, 189, 216, 252, 258, 301, 324, 336, 344, 378, 387, 432, 504, 516, 567, 602, 648, 661, 688, 756, 774, 903, 1008, 1032, 1134, 1161, 1204, 1296, 1322, 1512, 1548, 1806, 1983, 2064, 2268, 2322, 2408, 2644, 2709, 3024, 3096, 3483, 3612, 3966, 4536, 4627, 4644, 4816, 5288, 5418, 5949, 6192, 6966, 7224, 7932, 8127, 9072, 9254, 9288, 10576, 10836, 11898, 13881, 13932, 14448, 15864, 16254, 17847, 18508, 18576, 21672, 23796, 24381, 27762, 27864, 28423, 31728, 32508, 35694, 37016, 41643, 43344, 47592, 48762, 53541, 55524, 55728, 56846, 65016, 71388, 74032, 83286, 85269, 95184, 97524, 107082, 111048, 113692, 124929, 130032, 142776, 166572, 170538, 195048, 198961, 214164, 222096, 227384, 249858, 255807, 285552, 333144, 341076, 374787, 390096, 397922, 428328, 454768, 499716, 511614, 596883, 666288, 682152, 749574, 767421, 795844, 856656, 999432, 1023228, 1193766, 1364304, 1499148, 1534842, 1591688, 1790649, 1998864, 2046456, 2302263, 2387532, 2998296, 3069684, 3183376, 3581298, 4092912, 4604526, 4775064, 5371947, 5996592, 6139368, 7162596, 9209052, 9550128, 10743894, 12278736, 14325192, 16115841, 18418104, 21487788, 28650384, 32231682, 36836208, 42975576, 64463364, 85951152, 128926728, 257853456]

約数ペア:

[(1, 257853456), (2, 128926728), (3, 85951152), (4, 64463364), (6, 42975576), (7, 36836208), (8, 32231682), (9, 28650384), (12, 21487788), (14, 18418104), (16, 16115841), (18, 14325192), (21, 12278736), (24, 10743894), (27, 9550128), (28, 9209052), (36, 7162596), (42, 6139368), (43, 5996592), (48, 5371947), (54, 4775064), (56, 4604526), (63, 4092912), (72, 3581298), (81, 3183376), (84, 3069684), (86, 2998296), (108, 2387532), (112, 2302263), (126, 2046456), (129, 1998864), (144, 1790649), (162, 1591688), (168, 1534842), (172, 1499148), (189, 1364304), (216, 1193766), (252, 1023228), (258, 999432), (301, 856656), (324, 795844), (336, 767421), (344, 749574), (378, 682152), (387, 666288), (432, 596883), (504, 511614), (516, 499716), (567, 454768), (602, 428328), (648, 397922), (661, 390096), (688, 374787), (756, 341076), (774, 333144), (903, 285552), (1008, 255807), (1032, 249858), (1134, 227384), (1161, 222096), (1204, 214164), (1296, 198961), (1322, 195048), (1512, 170538), (1548, 166572), (1806, 142776), (1983, 130032), (2064, 124929), (2268, 113692), (2322, 111048), (2408, 107082), (2644, 97524), (2709, 95184), (3024, 85269), (3096, 83286), (3483, 74032), (3612, 71388), (3966, 65016), (4536, 56846), (4627, 55728), (4644, 55524), (4816, 53541), (5288, 48762), (5418, 47592), (5949, 43344), (6192, 41643), (6966, 37016), (7224, 35694), (7932, 32508), (8127, 31728), (9072, 28423), (9254, 27864), (9288, 27762), (10576, 24381), (10836, 23796), (11898, 21672), (13881, 18576), (13932, 18508), (14448, 17847), (15864, 16254)]