81164105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{769}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 113097600

約数和(自身を除く): 31933495

約数列:

[1, 5, 11, 19, 55, 95, 101, 209, 505, 769, 1045, 1111, 1919, 3845, 5555, 8459, 9595, 14611, 21109, 42295, 73055, 77669, 105545, 160721, 388345, 803605, 854359, 1475711, 4271795, 7378555, 16232821, 81164105]

約数ペア:

[(1, 81164105), (5, 16232821), (11, 7378555), (19, 4271795), (55, 1475711), (95, 854359), (101, 803605), (209, 388345), (505, 160721), (769, 105545), (1045, 77669), (1111, 73055), (1919, 42295), (3845, 21109), (5555, 14611), (8459, 9595)]