219791

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 16

約数和(自身を含む): 272160

約数和(自身を除く): 52369

約数列:

[1, 11, 13, 29, 53, 143, 319, 377, 583, 689, 1537, 4147, 7579, 16907, 19981, 219791]

約数ペア:

[(1, 219791), (11, 19981), (13, 16907), (29, 7579), (53, 4147), (143, 1537), (319, 689), (377, 583)]