28128636

素因数分解:

$2^2\times 3^2\times {\mathrm{781351}}^1$

素因数の和:781361

約数の個数: 18

約数和(自身を含む): 71103032

約数和(自身を除く): 42974396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 781351, 1562702, 2344053, 3125404, 4688106, 7032159, 9376212, 14064318, 28128636]

約数ペア:

[(1, 28128636), (2, 14064318), (3, 9376212), (4, 7032159), (6, 4688106), (9, 3125404), (12, 2344053), (18, 1562702), (36, 781351)]