81713965

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{18301}}^1$

素因数の和:18372

約数の個数: 16

約数和(自身を含む): 105419520

約数和(自身を除く): 23705555

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 18301, 91505, 347719, 860147, 1738595, 4300735, 16342793, 81713965]

約数ペア:

[(1, 81713965), (5, 16342793), (19, 4300735), (47, 1738595), (95, 860147), (235, 347719), (893, 91505), (4465, 18301)]