855105412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1181}}^1\times {\mathrm{1361}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 1803070080

約数和(自身を除く): 947964668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1181, 1361, 2362, 2722, 4724, 5444, 8267, 9527, 16534, 19054, 22439, 25859, 33068, 38108, 44878, 51718, 89756, 103436, 157073, 181013, 314146, 362026, 628292, 724052, 1607341, 3214682, 6429364, 11251387, 22502774, 30539479, 45005548, 61078958, 122157916, 213776353, 427552706, 855105412]

約数ペア:

[(1, 855105412), (2, 427552706), (4, 213776353), (7, 122157916), (14, 61078958), (19, 45005548), (28, 30539479), (38, 22502774), (76, 11251387), (133, 6429364), (266, 3214682), (532, 1607341), (1181, 724052), (1361, 628292), (2362, 362026), (2722, 314146), (4724, 181013), (5444, 157073), (8267, 103436), (9527, 89756), (16534, 51718), (19054, 44878), (22439, 38108), (25859, 33068)]