257723648

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 216

約数和(自身を含む): 682270848

約数和(自身を除く): 424547200

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 37, 46, 52, 56, 64, 74, 91, 92, 104, 112, 128, 148, 161, 169, 182, 184, 208, 224, 256, 259, 296, 299, 322, 338, 364, 368, 416, 448, 481, 518, 592, 598, 644, 676, 728, 736, 832, 851, 896, 962, 1036, 1183, 1184, 1196, 1288, 1352, 1456, 1472, 1664, 1702, 1792, 1924, 2072, 2093, 2366, 2368, 2392, 2576, 2704, 2912, 2944, 3328, 3367, 3404, 3848, 3887, 4144, 4186, 4732, 4736, 4784, 5152, 5408, 5824, 5888, 5957, 6253, 6734, 6808, 7696, 7774, 8288, 8372, 9464, 9472, 9568, 10304, 10816, 11063, 11648, 11914, 12506, 13468, 13616, 15392, 15548, 16576, 16744, 18928, 19136, 20608, 21632, 22126, 23296, 23828, 25012, 26936, 27209, 27232, 30784, 31096, 33152, 33488, 37856, 38272, 41216, 43264, 43771, 44252, 47656, 50024, 53872, 54418, 54464, 61568, 62192, 66304, 66976, 75712, 76544, 77441, 87542, 88504, 95312, 100048, 107744, 108836, 108928, 123136, 124384, 133952, 143819, 151424, 154882, 175084, 177008, 190624, 200096, 215488, 217672, 217856, 248768, 267904, 287638, 302848, 309764, 350168, 354016, 381248, 400192, 430976, 435344, 497536, 535808, 575276, 619528, 700336, 708032, 762496, 800384, 861952, 870688, 995072, 1006733, 1150552, 1239056, 1400672, 1416064, 1524992, 1600768, 1741376, 2013466, 2301104, 2478112, 2801344, 2832128, 3482752, 4026932, 4602208, 4956224, 5602688, 6965504, 8053864, 9204416, 9912448, 11205376, 16107728, 18408832, 19824896, 32215456, 36817664, 64430912, 128861824, 257723648]

約数ペア:

[(1, 257723648), (2, 128861824), (4, 64430912), (7, 36817664), (8, 32215456), (13, 19824896), (14, 18408832), (16, 16107728), (23, 11205376), (26, 9912448), (28, 9204416), (32, 8053864), (37, 6965504), (46, 5602688), (52, 4956224), (56, 4602208), (64, 4026932), (74, 3482752), (91, 2832128), (92, 2801344), (104, 2478112), (112, 2301104), (128, 2013466), (148, 1741376), (161, 1600768), (169, 1524992), (182, 1416064), (184, 1400672), (208, 1239056), (224, 1150552), (256, 1006733), (259, 995072), (296, 870688), (299, 861952), (322, 800384), (338, 762496), (364, 708032), (368, 700336), (416, 619528), (448, 575276), (481, 535808), (518, 497536), (592, 435344), (598, 430976), (644, 400192), (676, 381248), (728, 354016), (736, 350168), (832, 309764), (851, 302848), (896, 287638), (962, 267904), (1036, 248768), (1183, 217856), (1184, 217672), (1196, 215488), (1288, 200096), (1352, 190624), (1456, 177008), (1472, 175084), (1664, 154882), (1702, 151424), (1792, 143819), (1924, 133952), (2072, 124384), (2093, 123136), (2366, 108928), (2368, 108836), (2392, 107744), (2576, 100048), (2704, 95312), (2912, 88504), (2944, 87542), (3328, 77441), (3367, 76544), (3404, 75712), (3848, 66976), (3887, 66304), (4144, 62192), (4186, 61568), (4732, 54464), (4736, 54418), (4784, 53872), (5152, 50024), (5408, 47656), (5824, 44252), (5888, 43771), (5957, 43264), (6253, 41216), (6734, 38272), (6808, 37856), (7696, 33488), (7774, 33152), (8288, 31096), (8372, 30784), (9464, 27232), (9472, 27209), (9568, 26936), (10304, 25012), (10816, 23828), (11063, 23296), (11648, 22126), (11914, 21632), (12506, 20608), (13468, 19136), (13616, 18928), (15392, 16744), (15548, 16576)]