199335424

素因数分解:

$2^9\times {\mathrm{617}}^1\times {\mathrm{631}}^1$

素因数の和:1266

約数の個数: 40

約数和(自身を含む): 399559248

約数和(自身を除く): 200223824

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 617, 631, 1234, 1262, 2468, 2524, 4936, 5048, 9872, 10096, 19744, 20192, 39488, 40384, 78976, 80768, 157952, 161536, 315904, 323072, 389327, 778654, 1557308, 3114616, 6229232, 12458464, 24916928, 49833856, 99667712, 199335424]

約数ペア:

[(1, 199335424), (2, 99667712), (4, 49833856), (8, 24916928), (16, 12458464), (32, 6229232), (64, 3114616), (128, 1557308), (256, 778654), (512, 389327), (617, 323072), (631, 315904), (1234, 161536), (1262, 157952), (2468, 80768), (2524, 78976), (4936, 40384), (5048, 39488), (9872, 20192), (10096, 19744)]