1389399319

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{27803}}^1$

素因数の和:27891

約数の個数: 24

約数和(自身を含む): 1775007360

約数和(自身を除く): 385608041

約数列:

[1, 7, 11, 59, 77, 121, 413, 649, 847, 4543, 7139, 27803, 49973, 194621, 305833, 1640377, 2140831, 3364163, 11482639, 18044147, 23549141, 126309029, 198485617, 1389399319]

約数ペア:

[(1, 1389399319), (7, 198485617), (11, 126309029), (59, 23549141), (77, 18044147), (121, 11482639), (413, 3364163), (649, 2140831), (847, 1640377), (4543, 305833), (7139, 194621), (27803, 49973)]