256232704

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 667554048

約数和(自身を除く): 411321344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 128, 136, 182, 208, 221, 224, 238, 256, 272, 364, 416, 442, 448, 476, 544, 647, 728, 832, 884, 896, 952, 1088, 1294, 1456, 1547, 1664, 1768, 1792, 1904, 2176, 2588, 2912, 3094, 3328, 3536, 3808, 4352, 4529, 5176, 5824, 6188, 7072, 7616, 8411, 9058, 10352, 10999, 11648, 12376, 14144, 15232, 16822, 18116, 20704, 21998, 23296, 24752, 28288, 30464, 33644, 36232, 41408, 43996, 49504, 56576, 58877, 67288, 72464, 76993, 82816, 87992, 99008, 117754, 134576, 142987, 144928, 153986, 165632, 175984, 198016, 235508, 269152, 285974, 289856, 307972, 351968, 396032, 471016, 538304, 571948, 579712, 615944, 703936, 942032, 1000909, 1076608, 1143896, 1159424, 1231888, 1407872, 1884064, 2001818, 2153216, 2287792, 2463776, 2815744, 3768128, 4003636, 4575584, 4927552, 7536256, 8007272, 9151168, 9855104, 15072512, 16014544, 18302336, 19710208, 32029088, 36604672, 64058176, 128116352, 256232704]

約数ペア:

[(1, 256232704), (2, 128116352), (4, 64058176), (7, 36604672), (8, 32029088), (13, 19710208), (14, 18302336), (16, 16014544), (17, 15072512), (26, 9855104), (28, 9151168), (32, 8007272), (34, 7536256), (52, 4927552), (56, 4575584), (64, 4003636), (68, 3768128), (91, 2815744), (104, 2463776), (112, 2287792), (119, 2153216), (128, 2001818), (136, 1884064), (182, 1407872), (208, 1231888), (221, 1159424), (224, 1143896), (238, 1076608), (256, 1000909), (272, 942032), (364, 703936), (416, 615944), (442, 579712), (448, 571948), (476, 538304), (544, 471016), (647, 396032), (728, 351968), (832, 307972), (884, 289856), (896, 285974), (952, 269152), (1088, 235508), (1294, 198016), (1456, 175984), (1547, 165632), (1664, 153986), (1768, 144928), (1792, 142987), (1904, 134576), (2176, 117754), (2588, 99008), (2912, 87992), (3094, 82816), (3328, 76993), (3536, 72464), (3808, 67288), (4352, 58877), (4529, 56576), (5176, 49504), (5824, 43996), (6188, 41408), (7072, 36232), (7616, 33644), (8411, 30464), (9058, 28288), (10352, 24752), (10999, 23296), (11648, 21998), (12376, 20704), (14144, 18116), (15232, 16822)]