28439216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136727}}^1$

素因数の和:136748

約数の個数: 20

約数和(自身を含む): 59339952

約数和(自身を除く): 30900736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136727, 273454, 546908, 1093816, 1777451, 2187632, 3554902, 7109804, 14219608, 28439216]

約数ペア:

[(1, 28439216), (2, 14219608), (4, 7109804), (8, 3554902), (13, 2187632), (16, 1777451), (26, 1093816), (52, 546908), (104, 273454), (208, 136727)]