3989815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 5146848

約数和(自身を除く): 1157033

約数列:

[1, 5, 17, 73, 85, 365, 643, 1241, 3215, 6205, 10931, 46939, 54655, 234695, 797963, 3989815]

約数ペア:

[(1, 3989815), (5, 797963), (17, 234695), (73, 54655), (85, 46939), (365, 10931), (643, 6205), (1241, 3215)]