74778851

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2655

約数の個数: 24

約数和(自身を含む): 94556160

約数和(自身を除く): 19777309

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 931, 1519, 2591, 4123, 18137, 28861, 49229, 80321, 126959, 344603, 562247, 1526099, 2412221, 3935729, 10682693, 74778851]

約数ペア:

[(1, 74778851), (7, 10682693), (19, 3935729), (31, 2412221), (49, 1526099), (133, 562247), (217, 344603), (589, 126959), (931, 80321), (1519, 49229), (2591, 28861), (4123, 18137)]