639221023

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{5927}}^1$

素因数の和:6043

約数の個数: 24

約数和(自身を含む): 778512384

約数和(自身を除く): 139291361

約数列:

[1, 7, 31, 49, 71, 217, 497, 1519, 2201, 3479, 5927, 15407, 41489, 107849, 183737, 290423, 420817, 1286159, 2945719, 9003113, 13045327, 20620033, 91317289, 639221023]

約数ペア:

[(1, 639221023), (7, 91317289), (31, 20620033), (49, 13045327), (71, 9003113), (217, 2945719), (497, 1286159), (1519, 420817), (2201, 290423), (3479, 183737), (5927, 107849), (15407, 41489)]