81570002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{5407}}^1$

素因数の和:5825

約数の個数: 16

約数和(自身を含む): 129143040

約数和(自身を除く): 47573038

約数列:

[1, 2, 19, 38, 397, 794, 5407, 7543, 10814, 15086, 102733, 205466, 2146579, 4293158, 40785001, 81570002]

約数ペア:

[(1, 81570002), (2, 40785001), (19, 4293158), (38, 2146579), (397, 205466), (794, 102733), (5407, 15086), (7543, 10814)]