2018996825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{27743}}^1$

素因数の和:27865

約数の個数: 24

約数和(自身を含む): 2600833536

約数和(自身を除く): 581836711

約数列:

[1, 5, 25, 41, 71, 205, 355, 1025, 1775, 2911, 14555, 27743, 72775, 138715, 693575, 1137463, 1969753, 5687315, 9848765, 28436575, 49243825, 80759873, 403799365, 2018996825]

約数ペア:

[(1, 2018996825), (5, 403799365), (25, 80759873), (41, 49243825), (71, 28436575), (205, 9848765), (355, 5687315), (1025, 1969753), (1775, 1137463), (2911, 693575), (14555, 138715), (27743, 72775)]