12777444

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4999}}^1$

素因数の和:5080

約数の個数: 36

約数和(自身を含む): 32760000

約数和(自身を除く): 19982556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 4999, 9998, 14997, 19996, 29994, 44991, 59988, 89982, 179964, 354929, 709858, 1064787, 1419716, 2129574, 3194361, 4259148, 6388722, 12777444]

約数ペア:

[(1, 12777444), (2, 6388722), (3, 4259148), (4, 3194361), (6, 2129574), (9, 1419716), (12, 1064787), (18, 709858), (36, 354929), (71, 179964), (142, 89982), (213, 59988), (284, 44991), (426, 29994), (639, 19996), (852, 14997), (1278, 9998), (2556, 4999)]