491145668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{497111}}^1$

素因数の和:497147

約数の個数: 24

約数和(自身を含む): 974339520

約数和(自身を除く): 483193852

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 497111, 994222, 1988444, 6462443, 9445109, 12924886, 18890218, 25849772, 37780436, 122786417, 245572834, 491145668]

約数ペア:

[(1, 491145668), (2, 245572834), (4, 122786417), (13, 37780436), (19, 25849772), (26, 18890218), (38, 12924886), (52, 9445109), (76, 6462443), (247, 1988444), (494, 994222), (988, 497111)]