66990745

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{3203}}^1$

素因数の和:3344

約数の個数: 16

約数和(自身を含む): 83047680

約数和(自身を除く): 16056935

約数列:

[1, 5, 47, 89, 235, 445, 3203, 4183, 16015, 20915, 150541, 285067, 752705, 1425335, 13398149, 66990745]

約数ペア:

[(1, 66990745), (5, 13398149), (47, 1425335), (89, 752705), (235, 285067), (445, 150541), (3203, 20915), (4183, 16015)]