87191905

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{3109}}^1$

素因数の和:3264

約数の個数: 16

約数和(自身を含む): 107481600

約数和(自身を除く): 20289695

約数列:

[1, 5, 71, 79, 355, 395, 3109, 5609, 15545, 28045, 220739, 245611, 1103695, 1228055, 17438381, 87191905]

約数ペア:

[(1, 87191905), (5, 17438381), (71, 1228055), (79, 1103695), (355, 245611), (395, 220739), (3109, 28045), (5609, 15545)]