642719916

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{939649}}^1$

素因数の和:939678

約数の個数: 36

約数和(自身を含む): 1710163000

約数和(自身を除く): 1067443084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 939649, 1879298, 2818947, 3758596, 5637894, 8456841, 11275788, 16913682, 17853331, 33827364, 35706662, 53559993, 71413324, 107119986, 160679979, 214239972, 321359958, 642719916]

約数ペア:

[(1, 642719916), (2, 321359958), (3, 214239972), (4, 160679979), (6, 107119986), (9, 71413324), (12, 53559993), (18, 35706662), (19, 33827364), (36, 17853331), (38, 16913682), (57, 11275788), (76, 8456841), (114, 5637894), (171, 3758596), (228, 2818947), (342, 1879298), (684, 939649)]