25399738

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19937}}^1$

素因数の和:19966

約数の個数: 24

約数和(自身を含む): 47731572

約数和(自身を除く): 22331834

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 19937, 39874, 139559, 259181, 279118, 518362, 976913, 1814267, 1953826, 3628534, 12699869, 25399738]

約数ペア:

[(1, 25399738), (2, 12699869), (7, 3628534), (13, 1953826), (14, 1814267), (26, 976913), (49, 518362), (91, 279118), (98, 259181), (182, 139559), (637, 39874), (1274, 19937)]