66561205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{18211}}^1$

素因数の和:18276

約数の個数: 16

約数和(自身を含む): 86543424

約数和(自身を除く): 19982219

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 18211, 91055, 309587, 783073, 1547935, 3915365, 13312241, 66561205]

約数ペア:

[(1, 66561205), (5, 13312241), (17, 3915365), (43, 1547935), (85, 783073), (215, 309587), (731, 91055), (3655, 18211)]