2648165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 3459456

約数和(自身を除く): 811291

約数列:

[1, 5, 13, 65, 131, 311, 655, 1555, 1703, 4043, 8515, 20215, 40741, 203705, 529633, 2648165]

約数ペア:

[(1, 2648165), (5, 529633), (13, 203705), (65, 40741), (131, 20215), (311, 8515), (655, 4043), (1555, 1703)]