1388895823

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1\times {\mathrm{3371}}^1$

素因数の和:4278

約数の個数: 16

約数和(自身を含む): 1612085760

約数和(自身を除く): 223189937

約数列:

[1, 7, 71, 497, 829, 3371, 5803, 23597, 58859, 239341, 412013, 1675387, 2794559, 19561913, 198413689, 1388895823]

約数ペア:

[(1, 1388895823), (7, 198413689), (71, 19561913), (497, 2794559), (829, 1675387), (3371, 412013), (5803, 239341), (23597, 58859)]