420976

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:408

約数の個数: 20

約数和(自身を含む): 828072

約数和(自身を除く): 407096

約数列:

[1, 2, 4, 8, 16, 83, 166, 317, 332, 634, 664, 1268, 1328, 2536, 5072, 26311, 52622, 105244, 210488, 420976]

約数ペア:

[(1, 420976), (2, 210488), (4, 105244), (8, 52622), (16, 26311), (83, 5072), (166, 2536), (317, 1328), (332, 1268), (634, 664)]