281286656

素因数分解:

$2^{11}\times 7^2\times {\mathrm{2803}}^1$

素因数の和:2839

約数の個数: 72

約数和(自身を含む): 654495660

約数和(自身を除く): 373209004

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 2048, 2803, 3136, 3584, 5606, 6272, 7168, 11212, 12544, 14336, 19621, 22424, 25088, 39242, 44848, 50176, 78484, 89696, 100352, 137347, 156968, 179392, 274694, 313936, 358784, 549388, 627872, 717568, 1098776, 1255744, 1435136, 2197552, 2511488, 2870272, 4395104, 5022976, 5740544, 8790208, 10045952, 17580416, 20091904, 35160832, 40183808, 70321664, 140643328, 281286656]

約数ペア:

[(1, 281286656), (2, 140643328), (4, 70321664), (7, 40183808), (8, 35160832), (14, 20091904), (16, 17580416), (28, 10045952), (32, 8790208), (49, 5740544), (56, 5022976), (64, 4395104), (98, 2870272), (112, 2511488), (128, 2197552), (196, 1435136), (224, 1255744), (256, 1098776), (392, 717568), (448, 627872), (512, 549388), (784, 358784), (896, 313936), (1024, 274694), (1568, 179392), (1792, 156968), (2048, 137347), (2803, 100352), (3136, 89696), (3584, 78484), (5606, 50176), (6272, 44848), (7168, 39242), (11212, 25088), (12544, 22424), (14336, 19621)]