2804640391

素因数分解:

$7^2\times {\mathrm{139}}^1\times {\mathrm{509}}^1\times {\mathrm{809}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 3296538000

約数和(自身を除く): 491897609

約数列:

[1, 7, 49, 139, 509, 809, 973, 3563, 5663, 6811, 24941, 39641, 70751, 112451, 411781, 495257, 787157, 2882467, 3466799, 5510099, 20177269, 57237559, 400662913, 2804640391]

約数ペア:

[(1, 2804640391), (7, 400662913), (49, 57237559), (139, 20177269), (509, 5510099), (809, 3466799), (973, 2882467), (3563, 787157), (5663, 495257), (6811, 411781), (24941, 112451), (39641, 70751)]