81090494

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:1115

約数の個数: 16

約数和(自身を含む): 122802000

約数和(自身を除く): 41711506

約数列:

[1, 2, 193, 386, 421, 499, 842, 998, 81253, 96307, 162506, 192614, 210079, 420158, 40545247, 81090494]

約数ペア:

[(1, 81090494), (2, 40545247), (193, 420158), (386, 210079), (421, 192614), (499, 162506), (842, 96307), (998, 81253)]