668021248

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:445

約数の個数: 80

約数和(自身を含む): 1379896056

約数和(自身を除く): 711874808

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 73, 122, 128, 146, 244, 256, 292, 293, 488, 512, 584, 586, 976, 1168, 1172, 1952, 2336, 2344, 3904, 4453, 4672, 4688, 7808, 8906, 9344, 9376, 15616, 17812, 17873, 18688, 18752, 21389, 31232, 35624, 35746, 37376, 37504, 42778, 71248, 71492, 75008, 85556, 142496, 142984, 150016, 171112, 284992, 285968, 342224, 569984, 571936, 684448, 1139968, 1143872, 1304729, 1368896, 2279936, 2287744, 2609458, 2737792, 4575488, 5218916, 5475584, 9150976, 10437832, 10951168, 20875664, 41751328, 83502656, 167005312, 334010624, 668021248]

約数ペア:

[(1, 668021248), (2, 334010624), (4, 167005312), (8, 83502656), (16, 41751328), (32, 20875664), (61, 10951168), (64, 10437832), (73, 9150976), (122, 5475584), (128, 5218916), (146, 4575488), (244, 2737792), (256, 2609458), (292, 2287744), (293, 2279936), (488, 1368896), (512, 1304729), (584, 1143872), (586, 1139968), (976, 684448), (1168, 571936), (1172, 569984), (1952, 342224), (2336, 285968), (2344, 284992), (3904, 171112), (4453, 150016), (4672, 142984), (4688, 142496), (7808, 85556), (8906, 75008), (9344, 71492), (9376, 71248), (15616, 42778), (17812, 37504), (17873, 37376), (18688, 35746), (18752, 35624), (21389, 31232)]