81253285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{2129}}^1$

素因数の和:2600

約数の個数: 16

約数和(自身を含む): 103518000

約数和(自身を除く): 22264715

約数列:

[1, 5, 17, 85, 449, 2129, 2245, 7633, 10645, 36193, 38165, 180965, 955921, 4779605, 16250657, 81253285]

約数ペア:

[(1, 81253285), (5, 16250657), (17, 4779605), (85, 955921), (449, 180965), (2129, 38165), (2245, 36193), (7633, 10645)]