978896

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:518

約数の個数: 20

約数和(自身を含む): 1912452

約数和(自身を除く): 933556

約数列:

[1, 2, 4, 8, 16, 193, 317, 386, 634, 772, 1268, 1544, 2536, 3088, 5072, 61181, 122362, 244724, 489448, 978896]

約数ペア:

[(1, 978896), (2, 489448), (4, 244724), (8, 122362), (16, 61181), (193, 5072), (317, 3088), (386, 2536), (634, 1544), (772, 1268)]