13997575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 18414000

約数和(自身を除く): 4416425

約数列:

[1, 5, 25, 29, 43, 145, 215, 449, 725, 1075, 1247, 2245, 6235, 11225, 13021, 19307, 31175, 65105, 96535, 325525, 482675, 559903, 2799515, 13997575]

約数ペア:

[(1, 13997575), (5, 2799515), (25, 559903), (29, 482675), (43, 325525), (145, 96535), (215, 65105), (449, 31175), (725, 19307), (1075, 13021), (1247, 11225), (2245, 6235)]