12897787

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 15206400

約数和(自身を除く): 2308613

約数列:

[1, 7, 47, 197, 199, 329, 1379, 1393, 9259, 9353, 39203, 64813, 65471, 274421, 1842541, 12897787]

約数ペア:

[(1, 12897787), (7, 1842541), (47, 274421), (197, 65471), (199, 64813), (329, 39203), (1379, 9353), (1393, 9259)]