200978351

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 243038880

約数和(自身を除く): 42060529

約数列:

[1, 7, 41, 49, 71, 287, 497, 1409, 2009, 2911, 3479, 9863, 20377, 57769, 69041, 100039, 142639, 404383, 700273, 2830681, 4101599, 4901911, 28711193, 200978351]

約数ペア:

[(1, 200978351), (7, 28711193), (41, 4901911), (49, 4101599), (71, 2830681), (287, 700273), (497, 404383), (1409, 142639), (2009, 100039), (2911, 69041), (3479, 57769), (9863, 20377)]