28998905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4093}}^1$

素因数の和:4220

約数の個数: 16

約数和(自身を含む): 37828560

約数和(自身を除く): 8829655

約数列:

[1, 5, 13, 65, 109, 545, 1417, 4093, 7085, 20465, 53209, 266045, 446137, 2230685, 5799781, 28998905]

約数ペア:

[(1, 28998905), (5, 5799781), (13, 2230685), (65, 446137), (109, 266045), (545, 53209), (1417, 20465), (4093, 7085)]