257265792

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:611

約数の個数: 192

約数和(自身を含む): 861581760

約数和(自身を除く): 604315968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 61, 63, 64, 72, 84, 96, 112, 122, 126, 128, 144, 168, 183, 192, 224, 244, 252, 288, 336, 366, 384, 427, 448, 488, 504, 523, 549, 576, 672, 732, 854, 896, 976, 1008, 1046, 1098, 1152, 1281, 1344, 1464, 1569, 1708, 1952, 2016, 2092, 2196, 2562, 2688, 2928, 3138, 3416, 3661, 3843, 3904, 4032, 4184, 4392, 4707, 5124, 5856, 6276, 6832, 7322, 7686, 7808, 8064, 8368, 8784, 9414, 10248, 10983, 11712, 12552, 13664, 14644, 15372, 16736, 17568, 18828, 20496, 21966, 23424, 25104, 27328, 29288, 30744, 31903, 32949, 33472, 35136, 37656, 40992, 43932, 50208, 54656, 58576, 61488, 63806, 65898, 66944, 70272, 75312, 81984, 87864, 95709, 100416, 117152, 122976, 127612, 131796, 150624, 163968, 175728, 191418, 200832, 223321, 234304, 245952, 255224, 263592, 287127, 301248, 351456, 382836, 446642, 468608, 491904, 510448, 527184, 574254, 602496, 669963, 702912, 765672, 893284, 1020896, 1054368, 1148508, 1339926, 1405824, 1531344, 1786568, 2009889, 2041792, 2108736, 2297016, 2679852, 3062688, 3573136, 4019778, 4083584, 4217472, 4594032, 5359704, 6125376, 7146272, 8039556, 9188064, 10719408, 12250752, 14292544, 16079112, 18376128, 21438816, 28585088, 32158224, 36752256, 42877632, 64316448, 85755264, 128632896, 257265792]

約数ペア:

[(1, 257265792), (2, 128632896), (3, 85755264), (4, 64316448), (6, 42877632), (7, 36752256), (8, 32158224), (9, 28585088), (12, 21438816), (14, 18376128), (16, 16079112), (18, 14292544), (21, 12250752), (24, 10719408), (28, 9188064), (32, 8039556), (36, 7146272), (42, 6125376), (48, 5359704), (56, 4594032), (61, 4217472), (63, 4083584), (64, 4019778), (72, 3573136), (84, 3062688), (96, 2679852), (112, 2297016), (122, 2108736), (126, 2041792), (128, 2009889), (144, 1786568), (168, 1531344), (183, 1405824), (192, 1339926), (224, 1148508), (244, 1054368), (252, 1020896), (288, 893284), (336, 765672), (366, 702912), (384, 669963), (427, 602496), (448, 574254), (488, 527184), (504, 510448), (523, 491904), (549, 468608), (576, 446642), (672, 382836), (732, 351456), (854, 301248), (896, 287127), (976, 263592), (1008, 255224), (1046, 245952), (1098, 234304), (1152, 223321), (1281, 200832), (1344, 191418), (1464, 175728), (1569, 163968), (1708, 150624), (1952, 131796), (2016, 127612), (2092, 122976), (2196, 117152), (2562, 100416), (2688, 95709), (2928, 87864), (3138, 81984), (3416, 75312), (3661, 70272), (3843, 66944), (3904, 65898), (4032, 63806), (4184, 61488), (4392, 58576), (4707, 54656), (5124, 50208), (5856, 43932), (6276, 40992), (6832, 37656), (7322, 35136), (7686, 33472), (7808, 32949), (8064, 31903), (8368, 30744), (8784, 29288), (9414, 27328), (10248, 25104), (10983, 23424), (11712, 21966), (12552, 20496), (13664, 18828), (14644, 17568), (15372, 16736)]