2780455972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5226421}}^1$

素因数の和:5226451

約数の個数: 24

約数和(自身を含む): 5853592640

約数和(自身を除く): 3073136668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 5226421, 10452842, 20905684, 36584947, 73169894, 99301999, 146339788, 198603998, 397207996, 695113993, 1390227986, 2780455972]

約数ペア:

[(1, 2780455972), (2, 1390227986), (4, 695113993), (7, 397207996), (14, 198603998), (19, 146339788), (28, 99301999), (38, 73169894), (76, 36584947), (133, 20905684), (266, 10452842), (532, 5226421)]