12142207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2310

約数の個数: 16

約数和(自身を含む): 15358464

約数和(自身を除く): 3216257

約数列:

[1, 7, 11, 71, 77, 497, 781, 2221, 5467, 15547, 24431, 157691, 171017, 1103837, 1734601, 12142207]

約数ペア:

[(1, 12142207), (7, 1734601), (11, 1103837), (71, 171017), (77, 157691), (497, 24431), (781, 15547), (2221, 5467)]