77981815

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{2857}}^1$

素因数の和:3018

約数の個数: 16

約数和(自身を含む): 96303168

約数和(自身を除く): 18321353

約数列:

[1, 5, 53, 103, 265, 515, 2857, 5459, 14285, 27295, 151421, 294271, 757105, 1471355, 15596363, 77981815]

約数ペア:

[(1, 77981815), (5, 15596363), (53, 1471355), (103, 757105), (265, 294271), (515, 151421), (2857, 27295), (5459, 14285)]