28066619

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 32710656

約数和(自身を除く): 4644037

約数列:

[1, 7, 127, 131, 241, 889, 917, 1687, 16637, 30607, 31571, 116459, 214249, 220997, 4009517, 28066619]

約数ペア:

[(1, 28066619), (7, 4009517), (127, 220997), (131, 214249), (241, 116459), (889, 31571), (917, 30607), (1687, 16637)]