257576256

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:549

約数の個数: 168

約数和(自身を含む): 850700864

約数和(自身を除く): 593124608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 193, 224, 252, 288, 331, 336, 386, 448, 504, 576, 579, 662, 672, 772, 993, 1008, 1158, 1324, 1344, 1351, 1544, 1737, 1986, 2016, 2316, 2317, 2648, 2702, 2979, 3088, 3474, 3972, 4032, 4053, 4632, 4634, 5296, 5404, 5958, 6176, 6948, 6951, 7944, 8106, 9264, 9268, 10592, 10808, 11916, 12159, 12352, 13896, 13902, 15888, 16212, 18528, 18536, 20853, 21184, 21616, 23832, 24318, 27792, 27804, 31776, 32424, 37056, 37072, 41706, 43232, 47664, 48636, 55584, 55608, 63552, 63883, 64848, 74144, 83412, 86464, 95328, 97272, 111168, 111216, 127766, 129696, 148288, 166824, 190656, 191649, 194544, 222432, 255532, 259392, 333648, 383298, 389088, 444864, 447181, 511064, 574947, 667296, 766596, 778176, 894362, 1022128, 1149894, 1334592, 1341543, 1533192, 1788724, 2044256, 2299788, 2683086, 3066384, 3577448, 4024629, 4088512, 4599576, 5366172, 6132768, 7154896, 8049258, 9199152, 10732344, 12265536, 14309792, 16098516, 18398304, 21464688, 28619584, 32197032, 36796608, 42929376, 64394064, 85858752, 128788128, 257576256]

約数ペア:

[(1, 257576256), (2, 128788128), (3, 85858752), (4, 64394064), (6, 42929376), (7, 36796608), (8, 32197032), (9, 28619584), (12, 21464688), (14, 18398304), (16, 16098516), (18, 14309792), (21, 12265536), (24, 10732344), (28, 9199152), (32, 8049258), (36, 7154896), (42, 6132768), (48, 5366172), (56, 4599576), (63, 4088512), (64, 4024629), (72, 3577448), (84, 3066384), (96, 2683086), (112, 2299788), (126, 2044256), (144, 1788724), (168, 1533192), (192, 1341543), (193, 1334592), (224, 1149894), (252, 1022128), (288, 894362), (331, 778176), (336, 766596), (386, 667296), (448, 574947), (504, 511064), (576, 447181), (579, 444864), (662, 389088), (672, 383298), (772, 333648), (993, 259392), (1008, 255532), (1158, 222432), (1324, 194544), (1344, 191649), (1351, 190656), (1544, 166824), (1737, 148288), (1986, 129696), (2016, 127766), (2316, 111216), (2317, 111168), (2648, 97272), (2702, 95328), (2979, 86464), (3088, 83412), (3474, 74144), (3972, 64848), (4032, 63883), (4053, 63552), (4632, 55608), (4634, 55584), (5296, 48636), (5404, 47664), (5958, 43232), (6176, 41706), (6948, 37072), (6951, 37056), (7944, 32424), (8106, 31776), (9264, 27804), (9268, 27792), (10592, 24318), (10808, 23832), (11916, 21616), (12159, 21184), (12352, 20853), (13896, 18536), (13902, 18528), (15888, 16212)]