12254221

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 14848000

約数和(自身を除く): 2593779

約数列:

[1, 7, 19, 133, 199, 463, 1393, 3241, 3781, 8797, 26467, 61579, 92137, 644959, 1750603, 12254221]

約数ペア:

[(1, 12254221), (7, 1750603), (19, 644959), (133, 92137), (199, 61579), (463, 26467), (1393, 8797), (3241, 3781)]