200399479

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 250849280

約数和(自身を除く): 50449801

約数列:

[1, 7, 19, 43, 67, 133, 301, 469, 523, 817, 1273, 2881, 3661, 5719, 8911, 9937, 20167, 22489, 35041, 54739, 69559, 157423, 245287, 383173, 427291, 665779, 1506763, 2991037, 4660453, 10547341, 28628497, 200399479]

約数ペア:

[(1, 200399479), (7, 28628497), (19, 10547341), (43, 4660453), (67, 2991037), (133, 1506763), (301, 665779), (469, 427291), (523, 383173), (817, 245287), (1273, 157423), (2881, 69559), (3661, 54739), (5719, 35041), (8911, 22489), (9937, 20167)]