208180511

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{142297}}^1$

素因数の和:142334

約数の個数: 16

約数和(自身を含む): 273212160

約数和(自身を除く): 65031649

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 142297, 996079, 1565267, 2703643, 10956869, 18925501, 29740073, 208180511]

約数ペア:

[(1, 208180511), (7, 29740073), (11, 18925501), (19, 10956869), (77, 2703643), (133, 1565267), (209, 996079), (1463, 142297)]