199385872

素因数分解:

$2^4\times 7^1\times {\mathrm{1780231}}^1$

素因数の和:1780246

約数の個数: 20

約数和(自身を含む): 441497536

約数和(自身を除く): 242111664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1780231, 3560462, 7120924, 12461617, 14241848, 24923234, 28483696, 49846468, 99692936, 199385872]

約数ペア:

[(1, 199385872), (2, 99692936), (4, 49846468), (7, 28483696), (8, 24923234), (14, 14241848), (16, 12461617), (28, 7120924), (56, 3560462), (112, 1780231)]