201105212

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2587

約数の個数: 72

約数和(自身を含む): 458862768

約数和(自身を除く): 257757556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 49, 74, 77, 98, 148, 154, 196, 259, 308, 407, 518, 539, 814, 1036, 1078, 1628, 1813, 2156, 2521, 2849, 3626, 5042, 5698, 7252, 10084, 11396, 17647, 19943, 27731, 35294, 39886, 55462, 70588, 79772, 93277, 110924, 123529, 186554, 194117, 247058, 373108, 388234, 494116, 652939, 776468, 1026047, 1305878, 1358819, 2052094, 2611756, 2717638, 4104188, 4570573, 5435276, 7182329, 9141146, 14364658, 18282292, 28729316, 50276303, 100552606, 201105212]

約数ペア:

[(1, 201105212), (2, 100552606), (4, 50276303), (7, 28729316), (11, 18282292), (14, 14364658), (22, 9141146), (28, 7182329), (37, 5435276), (44, 4570573), (49, 4104188), (74, 2717638), (77, 2611756), (98, 2052094), (148, 1358819), (154, 1305878), (196, 1026047), (259, 776468), (308, 652939), (407, 494116), (518, 388234), (539, 373108), (814, 247058), (1036, 194117), (1078, 186554), (1628, 123529), (1813, 110924), (2156, 93277), (2521, 79772), (2849, 70588), (3626, 55462), (5042, 39886), (5698, 35294), (7252, 27731), (10084, 19943), (11396, 17647)]