257615904

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:867

約数の個数: 192

約数和(自身を含む): 855864576

約数和(自身を除く): 598248672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 37, 39, 42, 48, 52, 56, 74, 78, 84, 91, 96, 104, 111, 112, 148, 156, 168, 182, 208, 222, 224, 259, 273, 296, 312, 336, 364, 416, 444, 481, 518, 546, 592, 624, 672, 728, 777, 797, 888, 962, 1036, 1092, 1184, 1248, 1443, 1456, 1554, 1594, 1776, 1924, 2072, 2184, 2391, 2886, 2912, 3108, 3188, 3367, 3552, 3848, 4144, 4368, 4782, 5579, 5772, 6216, 6376, 6734, 7696, 8288, 8736, 9564, 10101, 10361, 11158, 11544, 12432, 12752, 13468, 15392, 16737, 19128, 20202, 20722, 22316, 23088, 24864, 25504, 26936, 29489, 31083, 33474, 38256, 40404, 41444, 44632, 46176, 53872, 58978, 62166, 66948, 72527, 76512, 80808, 82888, 88467, 89264, 107744, 117956, 124332, 133896, 145054, 161616, 165776, 176934, 178528, 206423, 217581, 235912, 248664, 267792, 290108, 323232, 331552, 353868, 383357, 412846, 435162, 471824, 497328, 535584, 580216, 619269, 707736, 766714, 825692, 870324, 943648, 994656, 1150071, 1160432, 1238538, 1415472, 1533428, 1651384, 1740648, 2300142, 2320864, 2477076, 2683499, 2830944, 3066856, 3302768, 3481296, 4600284, 4954152, 5366998, 6133712, 6605536, 6962592, 8050497, 9200568, 9908304, 10733996, 12267424, 16100994, 18401136, 19816608, 21467992, 32201988, 36802272, 42935984, 64403976, 85871968, 128807952, 257615904]

約数ペア:

[(1, 257615904), (2, 128807952), (3, 85871968), (4, 64403976), (6, 42935984), (7, 36802272), (8, 32201988), (12, 21467992), (13, 19816608), (14, 18401136), (16, 16100994), (21, 12267424), (24, 10733996), (26, 9908304), (28, 9200568), (32, 8050497), (37, 6962592), (39, 6605536), (42, 6133712), (48, 5366998), (52, 4954152), (56, 4600284), (74, 3481296), (78, 3302768), (84, 3066856), (91, 2830944), (96, 2683499), (104, 2477076), (111, 2320864), (112, 2300142), (148, 1740648), (156, 1651384), (168, 1533428), (182, 1415472), (208, 1238538), (222, 1160432), (224, 1150071), (259, 994656), (273, 943648), (296, 870324), (312, 825692), (336, 766714), (364, 707736), (416, 619269), (444, 580216), (481, 535584), (518, 497328), (546, 471824), (592, 435162), (624, 412846), (672, 383357), (728, 353868), (777, 331552), (797, 323232), (888, 290108), (962, 267792), (1036, 248664), (1092, 235912), (1184, 217581), (1248, 206423), (1443, 178528), (1456, 176934), (1554, 165776), (1594, 161616), (1776, 145054), (1924, 133896), (2072, 124332), (2184, 117956), (2391, 107744), (2886, 89264), (2912, 88467), (3108, 82888), (3188, 80808), (3367, 76512), (3552, 72527), (3848, 66948), (4144, 62166), (4368, 58978), (4782, 53872), (5579, 46176), (5772, 44632), (6216, 41444), (6376, 40404), (6734, 38256), (7696, 33474), (8288, 31083), (8736, 29489), (9564, 26936), (10101, 25504), (10361, 24864), (11158, 23088), (11544, 22316), (12432, 20722), (12752, 20202), (13468, 19128), (15392, 16737)]