85218815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 114670080

約数和(自身を除く): 29451265

約数列:

[1, 5, 11, 55, 71, 139, 157, 355, 695, 781, 785, 1529, 1727, 3905, 7645, 8635, 9869, 11147, 21823, 49345, 55735, 108559, 109115, 122617, 240053, 542795, 613085, 1200265, 1549433, 7747165, 17043763, 85218815]

約数ペア:

[(1, 85218815), (5, 17043763), (11, 7747165), (55, 1549433), (71, 1200265), (139, 613085), (157, 542795), (355, 240053), (695, 122617), (781, 109115), (785, 108559), (1529, 55735), (1727, 49345), (3905, 21823), (7645, 11147), (8635, 9869)]