16686394

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:645

約数の個数: 16

約数和(自身を含む): 25421760

約数和(自身を除く): 8735366

約数列:

[1, 2, 139, 193, 278, 311, 386, 622, 26827, 43229, 53654, 60023, 86458, 120046, 8343197, 16686394]

約数ペア:

[(1, 16686394), (2, 8343197), (139, 120046), (193, 86458), (278, 60023), (311, 53654), (386, 43229), (622, 26827)]