561549268

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{187433}}^1$

素因数の和:187551

約数の個数: 24

約数和(自身を含む): 1133600832

約数和(自身を除く): 572051564

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 187433, 374866, 749732, 1312031, 2624062, 5248124, 20055331, 40110662, 80221324, 140387317, 280774634, 561549268]

約数ペア:

[(1, 561549268), (2, 280774634), (4, 140387317), (7, 80221324), (14, 40110662), (28, 20055331), (107, 5248124), (214, 2624062), (428, 1312031), (749, 749732), (1498, 374866), (2996, 187433)]