397199248

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{79823}}^1$

素因数の和:80142

約数の個数: 20

約数和(自身を含む): 772057728

約数和(自身を除く): 374858480

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4976, 79823, 159646, 319292, 638584, 1277168, 24824953, 49649906, 99299812, 198599624, 397199248]

約数ペア:

[(1, 397199248), (2, 198599624), (4, 99299812), (8, 49649906), (16, 24824953), (311, 1277168), (622, 638584), (1244, 319292), (2488, 159646), (4976, 79823)]