199811216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1135291}}^1$

素因数の和:1135310

約数の個数: 20

約数和(自身を含む): 422328624

約数和(自身を除く): 222517408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1135291, 2270582, 4541164, 9082328, 12488201, 18164656, 24976402, 49952804, 99905608, 199811216]

約数ペア:

[(1, 199811216), (2, 99905608), (4, 49952804), (8, 24976402), (11, 18164656), (16, 12488201), (22, 9082328), (44, 4541164), (88, 2270582), (176, 1135291)]