1990697786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12926609}}^1$

素因数の和:12926629

約数の個数: 16

約数和(自身を含む): 3722863680

約数和(自身を除く): 1732165894

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 12926609, 25853218, 90486263, 142192699, 180972526, 284385398, 995348893, 1990697786]

約数ペア:

[(1, 1990697786), (2, 995348893), (7, 284385398), (11, 180972526), (14, 142192699), (22, 90486263), (77, 25853218), (154, 12926609)]