17928449

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 22956864

約数和(自身を除く): 5028415

約数列:

[1, 7, 11, 61, 77, 121, 347, 427, 671, 847, 2429, 3817, 4697, 7381, 21167, 26719, 41987, 51667, 148169, 232837, 293909, 1629859, 2561207, 17928449]

約数ペア:

[(1, 17928449), (7, 2561207), (11, 1629859), (61, 293909), (77, 232837), (121, 148169), (347, 51667), (427, 41987), (671, 26719), (847, 21167), (2429, 7381), (3817, 4697)]