647420032

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10177}}^1$

素因数の和:10269

約数の個数: 64

約数和(自身を含む): 1494944640

約数和(自身を除く): 847524608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 448, 497, 568, 896, 994, 1136, 1988, 2272, 3976, 4544, 7952, 9088, 10177, 15904, 20354, 31808, 40708, 63616, 71239, 81416, 142478, 162832, 284956, 325664, 569912, 651328, 722567, 1139824, 1302656, 1445134, 2279648, 2890268, 4559296, 5057969, 5780536, 9118592, 10115938, 11561072, 20231876, 23122144, 40463752, 46244288, 80927504, 92488576, 161855008, 323710016, 647420032]

約数ペア:

[(1, 647420032), (2, 323710016), (4, 161855008), (7, 92488576), (8, 80927504), (14, 46244288), (16, 40463752), (28, 23122144), (32, 20231876), (56, 11561072), (64, 10115938), (71, 9118592), (112, 5780536), (128, 5057969), (142, 4559296), (224, 2890268), (284, 2279648), (448, 1445134), (497, 1302656), (568, 1139824), (896, 722567), (994, 651328), (1136, 569912), (1988, 325664), (2272, 284956), (3976, 162832), (4544, 142478), (7952, 81416), (9088, 71239), (10177, 63616), (15904, 40708), (20354, 31808)]