13171855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{643}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 16831584

約数和(自身を除く): 3659729

約数列:

[1, 5, 17, 85, 241, 643, 1205, 3215, 4097, 10931, 20485, 54655, 154963, 774815, 2634371, 13171855]

約数ペア:

[(1, 13171855), (5, 2634371), (17, 774815), (85, 154963), (241, 54655), (643, 20485), (1205, 10931), (3215, 4097)]