28428

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 69888

約数和(自身を除く): 41460

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 103, 138, 206, 276, 309, 412, 618, 1236, 2369, 4738, 7107, 9476, 14214, 28428]

約数ペア:

[(1, 28428), (2, 14214), (3, 9476), (4, 7107), (6, 4738), (12, 2369), (23, 1236), (46, 618), (69, 412), (92, 309), (103, 276), (138, 206)]