12685981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2459}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 16058880

約数和(自身を除く): 3372899

約数列:

[1, 7, 11, 67, 77, 469, 737, 2459, 5159, 17213, 27049, 164753, 189343, 1153271, 1812283, 12685981]

約数ペア:

[(1, 12685981), (7, 1812283), (11, 1153271), (67, 189343), (77, 164753), (469, 27049), (737, 17213), (2459, 5159)]