664804672

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47869}}^1$

素因数の和:47919

約数の個数: 56

約数和(自身を含む): 1556349440

約数和(自身を除く): 891544768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 47869, 95738, 191476, 335083, 382952, 670166, 765904, 1340332, 1483939, 1531808, 2680664, 2967878, 3063616, 5361328, 5935756, 10387573, 10722656, 11871512, 20775146, 21445312, 23743024, 41550292, 47486048, 83100584, 94972096, 166201168, 332402336, 664804672]

約数ペア:

[(1, 664804672), (2, 332402336), (4, 166201168), (7, 94972096), (8, 83100584), (14, 47486048), (16, 41550292), (28, 23743024), (31, 21445312), (32, 20775146), (56, 11871512), (62, 10722656), (64, 10387573), (112, 5935756), (124, 5361328), (217, 3063616), (224, 2967878), (248, 2680664), (434, 1531808), (448, 1483939), (496, 1340332), (868, 765904), (992, 670166), (1736, 382952), (1984, 335083), (3472, 191476), (6944, 95738), (13888, 47869)]