281689492

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{20161}}^1$

素因数の和:20671

約数の個数: 24

約数和(自身を含む): 564536000

約数和(自身を除く): 282846508

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1996, 3493, 6986, 13972, 20161, 40322, 80644, 141127, 282254, 564508, 10060339, 20120678, 40241356, 70422373, 140844746, 281689492]

約数ペア:

[(1, 281689492), (2, 140844746), (4, 70422373), (7, 40241356), (14, 20120678), (28, 10060339), (499, 564508), (998, 282254), (1996, 141127), (3493, 80644), (6986, 40322), (13972, 20161)]