72032009

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 90829728

約数和(自身を除く): 18797719

約数列:

[1, 7, 17, 43, 49, 119, 301, 731, 833, 2011, 2107, 5117, 14077, 34187, 35819, 86473, 98539, 239309, 605311, 1470041, 1675163, 4237177, 10290287, 72032009]

約数ペア:

[(1, 72032009), (7, 10290287), (17, 4237177), (43, 1675163), (49, 1470041), (119, 605311), (301, 239309), (731, 98539), (833, 86473), (2011, 35819), (2107, 34187), (5117, 14077)]