26780156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 26845444

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 124, 148, 403, 449, 481, 806, 898, 962, 1147, 1612, 1796, 1924, 2294, 4588, 5837, 11674, 13919, 14911, 16613, 23348, 27838, 29822, 33226, 55676, 59644, 66452, 180947, 215969, 361894, 431938, 515003, 723788, 863876, 1030006, 2060012, 6695039, 13390078, 26780156]

約数ペア:

[(1, 26780156), (2, 13390078), (4, 6695039), (13, 2060012), (26, 1030006), (31, 863876), (37, 723788), (52, 515003), (62, 431938), (74, 361894), (124, 215969), (148, 180947), (403, 66452), (449, 59644), (481, 55676), (806, 33226), (898, 29822), (962, 27838), (1147, 23348), (1612, 16613), (1796, 14911), (1924, 13919), (2294, 11674), (4588, 5837)]