12666521

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 15375360

約数和(自身を除く): 2708839

約数列:

[1, 7, 19, 131, 133, 727, 917, 2489, 5089, 13813, 17423, 95237, 96691, 666659, 1809503, 12666521]

約数ペア:

[(1, 12666521), (7, 1809503), (19, 666659), (131, 96691), (133, 95237), (727, 17423), (917, 13813), (2489, 5089)]