199555552

素因数分解:

$2^5\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2011}}^1$

素因数の和:2471

約数の個数: 48

約数和(自身を含む): 450237312

約数和(自身を除く): 250681760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 443, 886, 1772, 2011, 3101, 3544, 4022, 6202, 7088, 8044, 12404, 14077, 14176, 16088, 24808, 28154, 32176, 49616, 56308, 64352, 99232, 112616, 225232, 450464, 890873, 1781746, 3563492, 6236111, 7126984, 12472222, 14253968, 24944444, 28507936, 49888888, 99777776, 199555552]

約数ペア:

[(1, 199555552), (2, 99777776), (4, 49888888), (7, 28507936), (8, 24944444), (14, 14253968), (16, 12472222), (28, 7126984), (32, 6236111), (56, 3563492), (112, 1781746), (224, 890873), (443, 450464), (886, 225232), (1772, 112616), (2011, 99232), (3101, 64352), (3544, 56308), (4022, 49616), (6202, 32176), (7088, 28154), (8044, 24808), (12404, 16088), (14077, 14176)]