12667039

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 16350336

約数和(自身を除く): 3683297

約数列:

[1, 7, 11, 49, 71, 77, 331, 497, 539, 781, 2317, 3479, 3641, 5467, 16219, 23501, 25487, 38269, 164507, 178409, 258511, 1151549, 1809577, 12667039]

約数ペア:

[(1, 12667039), (7, 1809577), (11, 1151549), (49, 258511), (71, 178409), (77, 164507), (331, 38269), (497, 25487), (539, 23501), (781, 16219), (2317, 5467), (3479, 3641)]