219871388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{172313}}^1$

素因数の和:172357

約数の個数: 24

約数和(自身を含む): 434231280

約数和(自身を除く): 214359892

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 172313, 344626, 689252, 1895443, 3790886, 4997077, 7581772, 9994154, 19988308, 54967847, 109935694, 219871388]

約数ペア:

[(1, 219871388), (2, 109935694), (4, 54967847), (11, 19988308), (22, 9994154), (29, 7581772), (44, 4997077), (58, 3790886), (116, 1895443), (319, 689252), (638, 344626), (1276, 172313)]