256119908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{54401}}^1$

素因数の和:54523

約数の個数: 24

約数和(自身を含む): 493534944

約数和(自身を除く): 237415036

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4708, 54401, 108802, 217604, 598411, 1196822, 2393644, 5820907, 11641814, 23283628, 64029977, 128059954, 256119908]

約数ペア:

[(1, 256119908), (2, 128059954), (4, 64029977), (11, 23283628), (22, 11641814), (44, 5820907), (107, 2393644), (214, 1196822), (428, 598411), (1177, 217604), (2354, 108802), (4708, 54401)]