78407259

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{26861}}^1$

素因数の和:27010

約数の個数: 16

約数和(自身を含む): 120341760

約数和(自身を除く): 41934501

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 26861, 80583, 188027, 564081, 3733679, 11201037, 26135753, 78407259]

約数ペア:

[(1, 78407259), (3, 26135753), (7, 11201037), (21, 3733679), (139, 564081), (417, 188027), (973, 80583), (2919, 26861)]