12684221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 14256000

約数和(自身を除く): 1571779

約数列:

[1, 11, 71, 109, 149, 781, 1199, 1639, 7739, 10579, 16241, 85129, 116369, 178651, 1153111, 12684221]

約数ペア:

[(1, 12684221), (11, 1153111), (71, 178651), (109, 116369), (149, 85129), (781, 16241), (1199, 10579), (1639, 7739)]