12928489

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 15313536

約数和(自身を除く): 2385047

約数列:

[1, 7, 41, 107, 287, 421, 749, 2947, 4387, 17261, 30709, 45047, 120827, 315329, 1846927, 12928489]

約数ペア:

[(1, 12928489), (7, 1846927), (41, 315329), (107, 120827), (287, 45047), (421, 30709), (749, 17261), (2947, 4387)]