17990198782

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1\times {\mathrm{164839}}^1$

素因数の和:165315

約数の個数: 16

約数和(自身を含む): 27220358880

約数和(自身を除く): 9230160098

約数列:

[1, 2, 197, 277, 394, 554, 54569, 109138, 164839, 329678, 32473283, 45660403, 64946566, 91320806, 8995099391, 17990198782]

約数ペア:

[(1, 17990198782), (2, 8995099391), (197, 91320806), (277, 64946566), (394, 45660403), (554, 32473283), (54569, 329678), (109138, 164839)]