28357264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136333}}^1$

素因数の和:136354

約数の個数: 20

約数和(自身を含む): 59168956

約数和(自身を除く): 30811692

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136333, 272666, 545332, 1090664, 1772329, 2181328, 3544658, 7089316, 14178632, 28357264]

約数ペア:

[(1, 28357264), (2, 14178632), (4, 7089316), (8, 3544658), (13, 2181328), (16, 1772329), (26, 1090664), (52, 545332), (104, 272666), (208, 136333)]