256477312

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 638144640

約数和(自身を除く): 381667328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 97, 104, 112, 128, 182, 194, 208, 224, 227, 364, 388, 416, 448, 454, 679, 728, 776, 832, 896, 908, 1261, 1358, 1456, 1552, 1589, 1664, 1816, 2522, 2716, 2912, 2951, 3104, 3178, 3632, 5044, 5432, 5824, 5902, 6208, 6356, 7264, 8827, 10088, 10864, 11648, 11804, 12416, 12712, 14528, 17654, 20176, 20657, 21728, 22019, 23608, 25424, 29056, 35308, 40352, 41314, 43456, 44038, 47216, 50848, 70616, 80704, 82628, 86912, 88076, 94432, 101696, 141232, 154133, 161408, 165256, 176152, 188864, 203392, 282464, 286247, 308266, 330512, 352304, 377728, 564928, 572494, 616532, 661024, 704608, 1129856, 1144988, 1233064, 1322048, 1409216, 2003729, 2289976, 2466128, 2644096, 2818432, 4007458, 4579952, 4932256, 8014916, 9159904, 9864512, 16029832, 18319808, 19729024, 32059664, 36639616, 64119328, 128238656, 256477312]

約数ペア:

[(1, 256477312), (2, 128238656), (4, 64119328), (7, 36639616), (8, 32059664), (13, 19729024), (14, 18319808), (16, 16029832), (26, 9864512), (28, 9159904), (32, 8014916), (52, 4932256), (56, 4579952), (64, 4007458), (91, 2818432), (97, 2644096), (104, 2466128), (112, 2289976), (128, 2003729), (182, 1409216), (194, 1322048), (208, 1233064), (224, 1144988), (227, 1129856), (364, 704608), (388, 661024), (416, 616532), (448, 572494), (454, 564928), (679, 377728), (728, 352304), (776, 330512), (832, 308266), (896, 286247), (908, 282464), (1261, 203392), (1358, 188864), (1456, 176152), (1552, 165256), (1589, 161408), (1664, 154133), (1816, 141232), (2522, 101696), (2716, 94432), (2912, 88076), (2951, 86912), (3104, 82628), (3178, 80704), (3632, 70616), (5044, 50848), (5432, 47216), (5824, 44038), (5902, 43456), (6208, 41314), (6356, 40352), (7264, 35308), (8827, 29056), (10088, 25424), (10864, 23608), (11648, 22019), (11804, 21728), (12416, 20657), (12712, 20176), (14528, 17654)]