8700979

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 10686816

約数和(自身を除く): 1985837

約数列:

[1, 7, 41, 49, 61, 71, 287, 427, 497, 2009, 2501, 2911, 2989, 3479, 4331, 17507, 20377, 30317, 122549, 142639, 177571, 212219, 1242997, 8700979]

約数ペア:

[(1, 8700979), (7, 1242997), (41, 212219), (49, 177571), (61, 142639), (71, 122549), (287, 30317), (427, 20377), (497, 17507), (2009, 4331), (2501, 3479), (2911, 2989)]