2049839905

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1\times {\mathrm{19427}}^1$

素因数の和:19928

約数の個数: 16

約数和(自身を含む): 2517868800

約数和(自身を除く): 468028895

約数列:

[1, 5, 47, 235, 449, 2245, 19427, 21103, 97135, 105515, 913069, 4565345, 8722723, 43613615, 409967981, 2049839905]

約数ペア:

[(1, 2049839905), (5, 409967981), (47, 43613615), (235, 8722723), (449, 4565345), (2245, 913069), (19427, 105515), (21103, 97135)]