65539019

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 82813248

約数和(自身を除く): 17274229

約数列:

[1, 7, 13, 49, 91, 137, 637, 751, 959, 1781, 5257, 6713, 9763, 12467, 36799, 68341, 87269, 102887, 478387, 720209, 1337531, 5041463, 9362717, 65539019]

約数ペア:

[(1, 65539019), (7, 9362717), (13, 5041463), (49, 1337531), (91, 720209), (137, 478387), (637, 102887), (751, 87269), (959, 68341), (1781, 36799), (5257, 12467), (6713, 9763)]