2859619

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 3430336

約数和(自身を除く): 570717

約数列:

[1, 7, 37, 61, 181, 259, 427, 1267, 2257, 6697, 11041, 15799, 46879, 77287, 408517, 2859619]

約数ペア:

[(1, 2859619), (7, 408517), (37, 77287), (61, 46879), (181, 15799), (259, 11041), (427, 6697), (1267, 2257)]