13990355

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 17172000

約数和(自身を除く): 3181645

約数列:

[1, 5, 89, 149, 211, 445, 745, 1055, 13261, 18779, 31439, 66305, 93895, 157195, 2798071, 13990355]

約数ペア:

[(1, 13990355), (5, 2798071), (89, 157195), (149, 93895), (211, 66305), (445, 31439), (745, 18779), (1055, 13261)]