388601864

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223849}}^1$

素因数の和:223893

約数の個数: 32

約数和(自身を含む): 859584000

約数和(自身を除く): 470982136

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 223849, 447698, 895396, 1566943, 1790792, 3133886, 6267772, 6939319, 12535544, 13878638, 27757276, 48575233, 55514552, 97150466, 194300932, 388601864]

約数ペア:

[(1, 388601864), (2, 194300932), (4, 97150466), (7, 55514552), (8, 48575233), (14, 27757276), (28, 13878638), (31, 12535544), (56, 6939319), (62, 6267772), (124, 3133886), (217, 1790792), (248, 1566943), (434, 895396), (868, 447698), (1736, 223849)]