51313339

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 69866496

約数和(自身を除く): 18553157

約数列:

[1, 7, 11, 31, 37, 49, 77, 83, 217, 259, 341, 407, 539, 581, 913, 1147, 1519, 1813, 2387, 2573, 2849, 3071, 4067, 6391, 8029, 12617, 16709, 18011, 19943, 21497, 28303, 33781, 44737, 56203, 88319, 95201, 126077, 150479, 198121, 236467, 618233, 666407, 1047211, 1386847, 1655269, 4664849, 7330477, 51313339]

約数ペア:

[(1, 51313339), (7, 7330477), (11, 4664849), (31, 1655269), (37, 1386847), (49, 1047211), (77, 666407), (83, 618233), (217, 236467), (259, 198121), (341, 150479), (407, 126077), (539, 95201), (581, 88319), (913, 56203), (1147, 44737), (1519, 33781), (1813, 28303), (2387, 21497), (2573, 19943), (2849, 18011), (3071, 16709), (4067, 12617), (6391, 8029)]