172870019

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{8089}}^1$

素因数の和:8210

約数の個数: 16

約数和(自身を含む): 205032960

約数和(自身を除く): 32162941

約数列:

[1, 7, 43, 71, 301, 497, 3053, 8089, 21371, 56623, 347827, 574319, 2434789, 4020233, 24695717, 172870019]

約数ペア:

[(1, 172870019), (7, 24695717), (43, 4020233), (71, 2434789), (301, 574319), (497, 347827), (3053, 56623), (8089, 21371)]