66426521

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{691}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 78655488

約数和(自身を除く): 12228967

約数列:

[1, 7, 31, 217, 443, 691, 3101, 4837, 13733, 21421, 96131, 149947, 306113, 2142791, 9489503, 66426521]

約数ペア:

[(1, 66426521), (7, 9489503), (31, 2142791), (217, 306113), (443, 149947), (691, 96131), (3101, 21421), (4837, 13733)]