15858556

素因数分解:

$2^2\times 7^2\times {\mathrm{80911}}^1$

素因数の和:80929

約数の個数: 18

約数和(自身を含む): 32283888

約数和(自身を除く): 16425332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 80911, 161822, 323644, 566377, 1132754, 2265508, 3964639, 7929278, 15858556]

約数ペア:

[(1, 15858556), (2, 7929278), (4, 3964639), (7, 2265508), (14, 1132754), (28, 566377), (49, 323644), (98, 161822), (196, 80911)]