12144895

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 17852400

約数和(自身を除く): 5707505

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 2609, 4655, 13045, 18263, 49571, 91315, 127841, 247855, 346997, 639205, 1734985, 2428979, 12144895]

約数ペア:

[(1, 12144895), (5, 2428979), (7, 1734985), (19, 639205), (35, 346997), (49, 247855), (95, 127841), (133, 91315), (245, 49571), (665, 18263), (931, 13045), (2609, 4655)]