12857984912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{135131}}^1$

素因数の和:135471

約数の個数: 40

約数和(自身を含む): 26307497760

約数和(自身を除く): 13449512848

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 313, 626, 1252, 2504, 5008, 5947, 11894, 23788, 47576, 95152, 135131, 270262, 540524, 1081048, 2162096, 2567489, 5134978, 10269956, 20539912, 41079824, 42296003, 84592006, 169184012, 338368024, 676736048, 803624057, 1607248114, 3214496228, 6428992456, 12857984912]

約数ペア:

[(1, 12857984912), (2, 6428992456), (4, 3214496228), (8, 1607248114), (16, 803624057), (19, 676736048), (38, 338368024), (76, 169184012), (152, 84592006), (304, 42296003), (313, 41079824), (626, 20539912), (1252, 10269956), (2504, 5134978), (5008, 2567489), (5947, 2162096), (11894, 1081048), (23788, 540524), (47576, 270262), (95152, 135131)]