28266511

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2903}}^1$

素因数の和:3030

約数の個数: 16

約数和(自身を含む): 35126784

約数和(自身を除く): 6860273

約数列:

[1, 7, 13, 91, 107, 749, 1391, 2903, 9737, 20321, 37739, 264173, 310621, 2174347, 4038073, 28266511]

約数ペア:

[(1, 28266511), (7, 4038073), (13, 2174347), (91, 310621), (107, 264173), (749, 37739), (1391, 20321), (2903, 9737)]