28503878

素因数分解:

$2^1\times {\mathrm{13}}^4\times {\mathrm{499}}^1$

素因数の和:553

約数の個数: 20

約数和(自身を含む): 46411500

約数和(自身を除く): 17907622

約数列:

[1, 2, 13, 26, 169, 338, 499, 998, 2197, 4394, 6487, 12974, 28561, 57122, 84331, 168662, 1096303, 2192606, 14251939, 28503878]

約数ペア:

[(1, 28503878), (2, 14251939), (13, 2192606), (26, 1096303), (169, 168662), (338, 84331), (499, 57122), (998, 28561), (2197, 12974), (4394, 6487)]