81466115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{2521}}^1$

素因数の和:2830

約数の個数: 16

約数和(自身を含む): 102413376

約数和(自身を除く): 20947261

約数列:

[1, 5, 23, 115, 281, 1405, 2521, 6463, 12605, 32315, 57983, 289915, 708401, 3542005, 16293223, 81466115]

約数ペア:

[(1, 81466115), (5, 16293223), (23, 3542005), (115, 708401), (281, 289915), (1405, 57983), (2521, 32315), (6463, 12605)]