2104080385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{538817}}^1$

素因数の和:538904

約数の個数: 16

約数和(自身を含む): 2793232512

約数和(自身を除く): 689152127

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 538817, 2694085, 5926987, 29634935, 38256007, 191280035, 420816077, 2104080385]

約数ペア:

[(1, 2104080385), (5, 420816077), (11, 191280035), (55, 38256007), (71, 29634935), (355, 5926987), (781, 2694085), (3905, 538817)]