208663169

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 249470760

約数和(自身を除く): 40807591

約数列:

[1, 11, 13, 109, 121, 143, 1199, 1217, 1417, 1573, 13189, 13387, 15587, 15821, 132653, 147257, 171457, 174031, 1459183, 1724489, 1914341, 16051013, 18969379, 208663169]

約数ペア:

[(1, 208663169), (11, 18969379), (13, 16051013), (109, 1914341), (121, 1724489), (143, 1459183), (1199, 174031), (1217, 171457), (1417, 147257), (1573, 132653), (13189, 15821), (13387, 15587)]