66681991

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 72446400

約数和(自身を除く): 5764409

約数列:

[1, 23, 29, 257, 389, 667, 5911, 7453, 8947, 11281, 99973, 171419, 259463, 2299379, 2899217, 66681991]

約数ペア:

[(1, 66681991), (23, 2899217), (29, 2299379), (257, 259463), (389, 171419), (667, 99973), (5911, 11281), (7453, 8947)]