643399090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3386311}}^1$

素因数の和:3386337

約数の個数: 16

約数和(自身を含む): 1219072320

約数和(自身を除く): 575673230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 3386311, 6772622, 16931555, 33863110, 64339909, 128679818, 321699545, 643399090]

約数ペア:

[(1, 643399090), (2, 321699545), (5, 128679818), (10, 64339909), (19, 33863110), (38, 16931555), (95, 6772622), (190, 3386311)]