28366384

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{1789}}^1$

素因数の和:2788

約数の個数: 20

約数和(自身を含む): 55046080

約数和(自身を除く): 26679696

約数列:

[1, 2, 4, 8, 16, 991, 1789, 1982, 3578, 3964, 7156, 7928, 14312, 15856, 28624, 1772899, 3545798, 7091596, 14183192, 28366384]

約数ペア:

[(1, 28366384), (2, 14183192), (4, 7091596), (8, 3545798), (16, 1772899), (991, 28624), (1789, 15856), (1982, 14312), (3578, 7928), (3964, 7156)]