28581605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23143}}^1$

素因数の和:23180

約数の個数: 16

約数和(自身を含む): 38881920

約数和(自身を除く): 10300315

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 23143, 115715, 300859, 439717, 1504295, 2198585, 5716321, 28581605]

約数ペア:

[(1, 28581605), (5, 5716321), (13, 2198585), (19, 1504295), (65, 439717), (95, 300859), (247, 115715), (1235, 23143)]