31820778913

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^2\times {\mathrm{293}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 40645777536

約数和(自身を除く): 8824998623

約数列:

[1, 7, 11, 73, 77, 139, 293, 511, 803, 973, 1529, 2051, 3223, 5621, 10147, 10703, 19321, 21389, 22561, 40727, 71029, 111617, 135247, 149723, 212531, 235279, 285089, 447997, 781319, 1410433, 1487717, 1646953, 2973071, 3135979, 5661053, 9873031, 15514763, 20811497, 32703781, 39627371, 62271583, 108603341, 228926467, 413256869, 435901081, 2892798083, 4545825559, 31820778913]

約数ペア:

[(1, 31820778913), (7, 4545825559), (11, 2892798083), (73, 435901081), (77, 413256869), (139, 228926467), (293, 108603341), (511, 62271583), (803, 39627371), (973, 32703781), (1529, 20811497), (2051, 15514763), (3223, 9873031), (5621, 5661053), (10147, 3135979), (10703, 2973071), (19321, 1646953), (21389, 1487717), (22561, 1410433), (40727, 781319), (71029, 447997), (111617, 285089), (135247, 235279), (149723, 212531)]