1998976

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 4798080

約数和(自身を除く): 2799104

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 97, 112, 128, 161, 184, 194, 224, 322, 368, 388, 448, 644, 679, 736, 776, 896, 1288, 1358, 1472, 1552, 2231, 2576, 2716, 2944, 3104, 4462, 5152, 5432, 6208, 8924, 10304, 10864, 12416, 15617, 17848, 20608, 21728, 31234, 35696, 43456, 62468, 71392, 86912, 124936, 142784, 249872, 285568, 499744, 999488, 1998976]

約数ペア:

[(1, 1998976), (2, 999488), (4, 499744), (7, 285568), (8, 249872), (14, 142784), (16, 124936), (23, 86912), (28, 71392), (32, 62468), (46, 43456), (56, 35696), (64, 31234), (92, 21728), (97, 20608), (112, 17848), (128, 15617), (161, 12416), (184, 10864), (194, 10304), (224, 8924), (322, 6208), (368, 5432), (388, 5152), (448, 4462), (644, 3104), (679, 2944), (736, 2716), (776, 2576), (896, 2231), (1288, 1552), (1358, 1472)]