647972416

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 224

約数和(自身を含む): 1695045632

約数和(自身を除く): 1047073216

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 37, 52, 56, 62, 64, 74, 91, 97, 104, 112, 124, 148, 182, 194, 208, 217, 224, 248, 259, 296, 364, 388, 403, 416, 434, 448, 481, 496, 518, 592, 679, 728, 776, 806, 832, 868, 962, 992, 1036, 1147, 1184, 1261, 1358, 1456, 1552, 1612, 1736, 1924, 1984, 2072, 2294, 2368, 2522, 2716, 2821, 2912, 3007, 3104, 3224, 3367, 3472, 3589, 3848, 4144, 4588, 5044, 5432, 5642, 5824, 6014, 6208, 6448, 6734, 6944, 7178, 7696, 8029, 8288, 8827, 9176, 10088, 10864, 11284, 12028, 12896, 13468, 13888, 14356, 14911, 15392, 16058, 16576, 17654, 18352, 20176, 21049, 21728, 22568, 24056, 25123, 25792, 26936, 28712, 29822, 30784, 32116, 35308, 36704, 39091, 40352, 42098, 43456, 45136, 46657, 48112, 50246, 53872, 57424, 59644, 64232, 70616, 73408, 78182, 80704, 84196, 90272, 93314, 96224, 100492, 104377, 107744, 111259, 114848, 119288, 128464, 141232, 156364, 168392, 180544, 186628, 192448, 200984, 208754, 215488, 222518, 229696, 238576, 256928, 273637, 282464, 312728, 326599, 336784, 373256, 401968, 417508, 445036, 477152, 513856, 547274, 564928, 625456, 653198, 673568, 746512, 778813, 803936, 835016, 890072, 954304, 1094548, 1250912, 1306396, 1347136, 1446367, 1493024, 1557626, 1607872, 1670032, 1780144, 2189096, 2501824, 2612792, 2892734, 2986048, 3115252, 3340064, 3560288, 4378192, 5225584, 5785468, 6230504, 6680128, 7120576, 8756384, 10124569, 10451168, 11570936, 12461008, 17512768, 20249138, 20902336, 23141872, 24922016, 40498276, 46283744, 49844032, 80996552, 92567488, 161993104, 323986208, 647972416]

約数ペア:

[(1, 647972416), (2, 323986208), (4, 161993104), (7, 92567488), (8, 80996552), (13, 49844032), (14, 46283744), (16, 40498276), (26, 24922016), (28, 23141872), (31, 20902336), (32, 20249138), (37, 17512768), (52, 12461008), (56, 11570936), (62, 10451168), (64, 10124569), (74, 8756384), (91, 7120576), (97, 6680128), (104, 6230504), (112, 5785468), (124, 5225584), (148, 4378192), (182, 3560288), (194, 3340064), (208, 3115252), (217, 2986048), (224, 2892734), (248, 2612792), (259, 2501824), (296, 2189096), (364, 1780144), (388, 1670032), (403, 1607872), (416, 1557626), (434, 1493024), (448, 1446367), (481, 1347136), (496, 1306396), (518, 1250912), (592, 1094548), (679, 954304), (728, 890072), (776, 835016), (806, 803936), (832, 778813), (868, 746512), (962, 673568), (992, 653198), (1036, 625456), (1147, 564928), (1184, 547274), (1261, 513856), (1358, 477152), (1456, 445036), (1552, 417508), (1612, 401968), (1736, 373256), (1924, 336784), (1984, 326599), (2072, 312728), (2294, 282464), (2368, 273637), (2522, 256928), (2716, 238576), (2821, 229696), (2912, 222518), (3007, 215488), (3104, 208754), (3224, 200984), (3367, 192448), (3472, 186628), (3589, 180544), (3848, 168392), (4144, 156364), (4588, 141232), (5044, 128464), (5432, 119288), (5642, 114848), (5824, 111259), (6014, 107744), (6208, 104377), (6448, 100492), (6734, 96224), (6944, 93314), (7178, 90272), (7696, 84196), (8029, 80704), (8288, 78182), (8827, 73408), (9176, 70616), (10088, 64232), (10864, 59644), (11284, 57424), (12028, 53872), (12896, 50246), (13468, 48112), (13888, 46657), (14356, 45136), (14911, 43456), (15392, 42098), (16058, 40352), (16576, 39091), (17654, 36704), (18352, 35308), (20176, 32116), (21049, 30784), (21728, 29822), (22568, 28712), (24056, 26936), (25123, 25792)]