64219115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1721}}^1$

素因数の和:2182

約数の個数: 16

約数和(自身を含む): 81829440

約数和(自身を除く): 17610325

約数列:

[1, 5, 17, 85, 439, 1721, 2195, 7463, 8605, 29257, 37315, 146285, 755519, 3777595, 12843823, 64219115]

約数ペア:

[(1, 64219115), (5, 12843823), (17, 3777595), (85, 755519), (439, 146285), (1721, 37315), (2195, 29257), (7463, 8605)]