28186288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135511}}^1$

素因数の和:135532

約数の個数: 20

約数和(自身を含む): 58812208

約数和(自身を除く): 30625920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135511, 271022, 542044, 1084088, 1761643, 2168176, 3523286, 7046572, 14093144, 28186288]

約数ペア:

[(1, 28186288), (2, 14093144), (4, 7046572), (8, 3523286), (13, 2168176), (16, 1761643), (26, 1084088), (52, 542044), (104, 271022), (208, 135511)]