28535878

素因数分解:

$2^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{4643}}^1$

素因数の和:5091

約数の個数: 16

約数和(自身を含む): 49040640

約数和(自身を除く): 20504762

約数列:

[1, 2, 7, 14, 439, 878, 3073, 4643, 6146, 9286, 32501, 65002, 2038277, 4076554, 14267939, 28535878]

約数ペア:

[(1, 28535878), (2, 14267939), (7, 4076554), (14, 2038277), (439, 65002), (878, 32501), (3073, 9286), (4643, 6146)]