221587810

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{169151}}^1$

素因数の和:169289

約数の個数: 16

約数和(自身を含む): 401905152

約数和(自身を除く): 180317342

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 169151, 338302, 845755, 1691510, 22158781, 44317562, 110793905, 221587810]

約数ペア:

[(1, 221587810), (2, 110793905), (5, 44317562), (10, 22158781), (131, 1691510), (262, 845755), (655, 338302), (1310, 169151)]