28231216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135727}}^1$

素因数の和:135748

約数の個数: 20

約数和(自身を含む): 58905952

約数和(自身を除く): 30674736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135727, 271454, 542908, 1085816, 1764451, 2171632, 3528902, 7057804, 14115608, 28231216]

約数ペア:

[(1, 28231216), (2, 14115608), (4, 7057804), (8, 3528902), (13, 2171632), (16, 1764451), (26, 1085816), (52, 542908), (104, 271454), (208, 135727)]