78564563

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 104509440

約数和(自身を除く): 25944877

約数列:

[1, 7, 11, 19, 77, 83, 133, 209, 581, 647, 913, 1463, 1577, 4529, 6391, 7117, 11039, 12293, 17347, 49819, 53701, 86051, 121429, 135223, 375907, 590711, 946561, 1020319, 4134977, 7142233, 11223509, 78564563]

約数ペア:

[(1, 78564563), (7, 11223509), (11, 7142233), (19, 4134977), (77, 1020319), (83, 946561), (133, 590711), (209, 375907), (581, 135223), (647, 121429), (913, 86051), (1463, 53701), (1577, 49819), (4529, 17347), (6391, 12293), (7117, 11039)]