64637888

素因数分解:

$2^6\times 7^1\times {\mathrm{223}}^1\times {\mathrm{647}}^1$

素因数の和:889

約数の個数: 56

約数和(自身を含む): 147474432

約数和(自身を除く): 82836544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 223, 224, 446, 448, 647, 892, 1294, 1561, 1784, 2588, 3122, 3568, 4529, 5176, 6244, 7136, 9058, 10352, 12488, 14272, 18116, 20704, 24976, 36232, 41408, 49952, 72464, 99904, 144281, 144928, 288562, 289856, 577124, 1009967, 1154248, 2019934, 2308496, 4039868, 4616992, 8079736, 9233984, 16159472, 32318944, 64637888]

約数ペア:

[(1, 64637888), (2, 32318944), (4, 16159472), (7, 9233984), (8, 8079736), (14, 4616992), (16, 4039868), (28, 2308496), (32, 2019934), (56, 1154248), (64, 1009967), (112, 577124), (223, 289856), (224, 288562), (446, 144928), (448, 144281), (647, 99904), (892, 72464), (1294, 49952), (1561, 41408), (1784, 36232), (2588, 24976), (3122, 20704), (3568, 18116), (4529, 14272), (5176, 12488), (6244, 10352), (7136, 9058)]