219808511

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{2521}}^1$

素因数の和:2906

約数の個数: 16

約数和(自身を含む): 249980640

約数和(自身を除く): 30172129

約数列:

[1, 13, 19, 247, 353, 2521, 4589, 6707, 32773, 47899, 87191, 622687, 889913, 11568869, 16908347, 219808511]

約数ペア:

[(1, 219808511), (13, 16908347), (19, 11568869), (247, 889913), (353, 622687), (2521, 87191), (4589, 47899), (6707, 32773)]