218426488

素因数分解:

$2^3\times 7^1\times {\mathrm{3900473}}^1$

素因数の和:3900486

約数の個数: 16

約数和(自身を含む): 468056880

約数和(自身を除く): 249630392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3900473, 7800946, 15601892, 27303311, 31203784, 54606622, 109213244, 218426488]

約数ペア:

[(1, 218426488), (2, 109213244), (4, 54606622), (7, 31203784), (8, 27303311), (14, 15601892), (28, 7800946), (56, 3900473)]