2005153955

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{806903}}^1$

素因数の和:806986

約数の個数: 16

約数和(自身を含む): 2788660224

約数和(自身を除く): 783506269

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 806903, 4034515, 5648321, 28241605, 57290113, 286450565, 401030791, 2005153955]

約数ペア:

[(1, 2005153955), (5, 401030791), (7, 286450565), (35, 57290113), (71, 28241605), (355, 5648321), (497, 4034515), (2485, 806903)]