519882896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{80627}}^1$

素因数の和:80679

約数の個数: 40

約数和(自身を含む): 1119761664

約数和(自身を除く): 599878768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 80627, 161254, 322508, 645016, 1048151, 1290032, 2096302, 2499437, 4192604, 4998874, 8385208, 9997748, 16770416, 19995496, 32492681, 39990992, 64985362, 129970724, 259941448, 519882896]

約数ペア:

[(1, 519882896), (2, 259941448), (4, 129970724), (8, 64985362), (13, 39990992), (16, 32492681), (26, 19995496), (31, 16770416), (52, 9997748), (62, 8385208), (104, 4998874), (124, 4192604), (208, 2499437), (248, 2096302), (403, 1290032), (496, 1048151), (806, 645016), (1612, 322508), (3224, 161254), (6448, 80627)]