664339984

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{539237}}^1$

素因数の和:539263

約数の個数: 40

約数和(自身を含む): 1604772288

約数和(自身を除く): 940432304

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 539237, 1078474, 2156948, 3774659, 4313896, 5931607, 7549318, 8627792, 11863214, 15098636, 23726428, 30197272, 41521249, 47452856, 60394544, 83042498, 94905712, 166084996, 332169992, 664339984]

約数ペア:

[(1, 664339984), (2, 332169992), (4, 166084996), (7, 94905712), (8, 83042498), (11, 60394544), (14, 47452856), (16, 41521249), (22, 30197272), (28, 23726428), (44, 15098636), (56, 11863214), (77, 8627792), (88, 7549318), (112, 5931607), (154, 4313896), (176, 3774659), (308, 2156948), (616, 1078474), (1232, 539237)]