197821492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{25117}}^1$

素因数の和:25311

約数の個数: 24

約数和(自身を含む): 379784160

約数和(自身を除く): 181962668

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 3938, 7876, 25117, 50234, 100468, 276287, 552574, 1105148, 4495943, 8991886, 17983772, 49455373, 98910746, 197821492]

約数ペア:

[(1, 197821492), (2, 98910746), (4, 49455373), (11, 17983772), (22, 8991886), (44, 4495943), (179, 1105148), (358, 552574), (716, 276287), (1969, 100468), (3938, 50234), (7876, 25117)]