68417945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{18719}}^1$

素因数の和:18784

約数の個数: 16

約数和(自身を含む): 88957440

約数和(自身を除く): 20539495

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 18719, 93595, 318223, 804917, 1591115, 4024585, 13683589, 68417945]

約数ペア:

[(1, 68417945), (5, 13683589), (17, 4024585), (43, 1591115), (85, 804917), (215, 318223), (731, 93595), (3655, 18719)]