123211216

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{126241}}^1$

素因数の和:126310

約数の個数: 20

約数和(自身を含む): 242637124

約数和(自身を除く): 119425908

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 126241, 252482, 504964, 1009928, 2019856, 7700701, 15401402, 30802804, 61605608, 123211216]

約数ペア:

[(1, 123211216), (2, 61605608), (4, 30802804), (8, 15401402), (16, 7700701), (61, 2019856), (122, 1009928), (244, 504964), (488, 252482), (976, 126241)]