66520745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{16651}}^1$

素因数の和:16720

約数の個数: 16

約数和(自身を含む): 86323968

約数和(自身を除く): 19803223

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 16651, 83255, 283067, 782597, 1415335, 3912985, 13304149, 66520745]

約数ペア:

[(1, 66520745), (5, 13304149), (17, 3912985), (47, 1415335), (85, 782597), (235, 283067), (799, 83255), (3995, 16651)]