257428416

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:651

約数の個数: 224

約数和(自身を含む): 869045760

約数和(自身を除く): 611617344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 19, 21, 24, 28, 32, 34, 38, 42, 48, 51, 56, 57, 64, 68, 76, 84, 96, 102, 112, 114, 119, 133, 136, 152, 168, 192, 204, 224, 228, 238, 266, 272, 304, 323, 336, 357, 399, 408, 448, 456, 476, 532, 544, 593, 608, 646, 672, 714, 798, 816, 912, 952, 969, 1064, 1088, 1186, 1216, 1292, 1344, 1428, 1596, 1632, 1779, 1824, 1904, 1938, 2128, 2261, 2372, 2584, 2856, 3192, 3264, 3558, 3648, 3808, 3876, 4151, 4256, 4522, 4744, 5168, 5712, 6384, 6783, 7116, 7616, 7752, 8302, 8512, 9044, 9488, 10081, 10336, 11267, 11424, 12453, 12768, 13566, 14232, 15504, 16604, 18088, 18976, 20162, 20672, 22534, 22848, 24906, 25536, 27132, 28464, 30243, 31008, 33208, 33801, 36176, 37952, 40324, 45068, 49812, 54264, 56928, 60486, 62016, 66416, 67602, 70567, 72352, 78869, 80648, 90136, 99624, 108528, 113856, 120972, 132832, 135204, 141134, 144704, 157738, 161296, 180272, 191539, 199248, 211701, 217056, 236607, 241944, 265664, 270408, 282268, 315476, 322592, 360544, 383078, 398496, 423402, 434112, 473214, 483888, 540816, 564536, 574617, 630952, 645184, 721088, 766156, 796992, 846804, 946428, 967776, 1081632, 1129072, 1149234, 1261904, 1340773, 1532312, 1693608, 1892856, 1935552, 2163264, 2258144, 2298468, 2523808, 2681546, 3064624, 3387216, 3785712, 4022319, 4516288, 4596936, 5047616, 5363092, 6129248, 6774432, 7571424, 8044638, 9193872, 10726184, 12258496, 13548864, 15142848, 16089276, 18387744, 21452368, 32178552, 36775488, 42904736, 64357104, 85809472, 128714208, 257428416]

約数ペア:

[(1, 257428416), (2, 128714208), (3, 85809472), (4, 64357104), (6, 42904736), (7, 36775488), (8, 32178552), (12, 21452368), (14, 18387744), (16, 16089276), (17, 15142848), (19, 13548864), (21, 12258496), (24, 10726184), (28, 9193872), (32, 8044638), (34, 7571424), (38, 6774432), (42, 6129248), (48, 5363092), (51, 5047616), (56, 4596936), (57, 4516288), (64, 4022319), (68, 3785712), (76, 3387216), (84, 3064624), (96, 2681546), (102, 2523808), (112, 2298468), (114, 2258144), (119, 2163264), (133, 1935552), (136, 1892856), (152, 1693608), (168, 1532312), (192, 1340773), (204, 1261904), (224, 1149234), (228, 1129072), (238, 1081632), (266, 967776), (272, 946428), (304, 846804), (323, 796992), (336, 766156), (357, 721088), (399, 645184), (408, 630952), (448, 574617), (456, 564536), (476, 540816), (532, 483888), (544, 473214), (593, 434112), (608, 423402), (646, 398496), (672, 383078), (714, 360544), (798, 322592), (816, 315476), (912, 282268), (952, 270408), (969, 265664), (1064, 241944), (1088, 236607), (1186, 217056), (1216, 211701), (1292, 199248), (1344, 191539), (1428, 180272), (1596, 161296), (1632, 157738), (1779, 144704), (1824, 141134), (1904, 135204), (1938, 132832), (2128, 120972), (2261, 113856), (2372, 108528), (2584, 99624), (2856, 90136), (3192, 80648), (3264, 78869), (3558, 72352), (3648, 70567), (3808, 67602), (3876, 66416), (4151, 62016), (4256, 60486), (4522, 56928), (4744, 54264), (5168, 49812), (5712, 45068), (6384, 40324), (6783, 37952), (7116, 36176), (7616, 33801), (7752, 33208), (8302, 31008), (8512, 30243), (9044, 28464), (9488, 27132), (10081, 25536), (10336, 24906), (11267, 22848), (11424, 22534), (12453, 20672), (12768, 20162), (13566, 18976), (14232, 18088), (15504, 16604)]