491879999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{19717}}^1$

素因数の和:19850

約数の個数: 16

約数和(自身を含む): 563146080

約数和(自身を除く): 71266081

約数列:

[1, 13, 19, 101, 247, 1313, 1919, 19717, 24947, 256321, 374623, 1991417, 4870099, 25888421, 37836923, 491879999]

約数ペア:

[(1, 491879999), (13, 37836923), (19, 25888421), (101, 4870099), (247, 1991417), (1313, 374623), (1919, 256321), (19717, 24947)]