12984505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4464

約数の個数: 16

約数和(自身を含む): 16934400

約数和(自身を除く): 3949895

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 4409, 22045, 83771, 136679, 418855, 683395, 2596901, 12984505]

約数ペア:

[(1, 12984505), (5, 2596901), (19, 683395), (31, 418855), (95, 136679), (155, 83771), (589, 22045), (2945, 4409)]