131781356

素因数分解:

$2^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{8999}}^1$

素因数の和:9533

約数の個数: 24

約数和(自身を含む): 264096000

約数和(自身を除く): 132314644

約数列:

[1, 2, 4, 7, 14, 28, 523, 1046, 2092, 3661, 7322, 8999, 14644, 17998, 35996, 62993, 125986, 251972, 4706477, 9412954, 18825908, 32945339, 65890678, 131781356]

約数ペア:

[(1, 131781356), (2, 65890678), (4, 32945339), (7, 18825908), (14, 9412954), (28, 4706477), (523, 251972), (1046, 125986), (2092, 62993), (3661, 35996), (7322, 17998), (8999, 14644)]