28292555

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 34617024

約数和(自身を除く): 6324469

約数列:

[1, 5, 103, 137, 401, 515, 685, 2005, 14111, 41303, 54937, 70555, 206515, 274685, 5658511, 28292555]

約数ペア:

[(1, 28292555), (5, 5658511), (103, 274685), (137, 206515), (401, 70555), (515, 54937), (685, 41303), (2005, 14111)]