856553405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 1090879488

約数和(自身を除く): 234326083

約数列:

[1, 5, 31, 53, 127, 155, 265, 635, 821, 1643, 3937, 4105, 6731, 8215, 19685, 25451, 33655, 43513, 104267, 127255, 208661, 217565, 521335, 1043305, 1348903, 3232277, 5526151, 6744515, 16161385, 27630755, 171310681, 856553405]

約数ペア:

[(1, 856553405), (5, 171310681), (31, 27630755), (53, 16161385), (127, 6744515), (155, 5526151), (265, 3232277), (635, 1348903), (821, 1043305), (1643, 521335), (3937, 217565), (4105, 208661), (6731, 127255), (8215, 104267), (19685, 43513), (25451, 33655)]