12663215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7841}}^1$

素因数の和:7882

約数の個数: 16

約数和(自身を含む): 16938720

約数和(自身を除く): 4275505

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 7841, 39205, 133297, 148979, 666485, 744895, 2532643, 12663215]

約数ペア:

[(1, 12663215), (5, 2532643), (17, 744895), (19, 666485), (85, 148979), (95, 133297), (323, 39205), (1615, 7841)]