28263824

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21283}}^1$

素因数の和:21374

約数の個数: 20

約数和(自身を含む): 55423536

約数和(自身を除く): 27159712

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21283, 42566, 85132, 170264, 340528, 1766489, 3532978, 7065956, 14131912, 28263824]

約数ペア:

[(1, 28263824), (2, 14131912), (4, 7065956), (8, 3532978), (16, 1766489), (83, 340528), (166, 170264), (332, 85132), (664, 42566), (1328, 21283)]