256767732

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{60961}}^1$

素因数の和:60990

約数の個数: 60

約数和(自身を含む): 722887396

約数和(自身を除く): 466119664

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 60961, 121922, 182883, 243844, 365766, 548649, 731532, 792493, 1097298, 1584986, 1645947, 2194596, 2377479, 3169972, 3291894, 4754958, 4937841, 6583788, 7132437, 9509916, 9875682, 14264874, 19751364, 21397311, 28529748, 42794622, 64191933, 85589244, 128383866, 256767732]

約数ペア:

[(1, 256767732), (2, 128383866), (3, 85589244), (4, 64191933), (6, 42794622), (9, 28529748), (12, 21397311), (13, 19751364), (18, 14264874), (26, 9875682), (27, 9509916), (36, 7132437), (39, 6583788), (52, 4937841), (54, 4754958), (78, 3291894), (81, 3169972), (108, 2377479), (117, 2194596), (156, 1645947), (162, 1584986), (234, 1097298), (324, 792493), (351, 731532), (468, 548649), (702, 365766), (1053, 243844), (1404, 182883), (2106, 121922), (4212, 60961)]