538121479

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2011}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 645900288

約数和(自身を除く): 107778809

約数列:

[1, 7, 43, 49, 127, 301, 889, 2011, 2107, 5461, 6223, 14077, 38227, 86473, 98539, 255397, 267589, 605311, 1787779, 4237177, 10982071, 12514453, 76874497, 538121479]

約数ペア:

[(1, 538121479), (7, 76874497), (43, 12514453), (49, 10982071), (127, 4237177), (301, 1787779), (889, 605311), (2011, 267589), (2107, 255397), (5461, 98539), (6223, 86473), (14077, 38227)]