28340117

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{317}}^1$

素因数の和:389

約数の個数: 18

約数和(自身を含む): 32181282

約数和(自身を除く): 3841165

約数列:

[1, 13, 23, 169, 299, 317, 529, 3887, 4121, 6877, 7291, 53573, 89401, 94783, 167693, 1232179, 2180009, 28340117]

約数ペア:

[(1, 28340117), (13, 2180009), (23, 1232179), (169, 167693), (299, 94783), (317, 89401), (529, 53573), (3887, 7291), (4121, 6877)]