128561684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{3947}}^1$

素因数の和:4447

約数の個数: 24

約数和(自身を含む): 238775040

約数和(自身を除く): 110213356

約数列:

[1, 2, 4, 17, 34, 68, 479, 958, 1916, 3947, 7894, 8143, 15788, 16286, 32572, 67099, 134198, 268396, 1890613, 3781226, 7562452, 32140421, 64280842, 128561684]

約数ペア:

[(1, 128561684), (2, 64280842), (4, 32140421), (17, 7562452), (34, 3781226), (68, 1890613), (479, 268396), (958, 134198), (1916, 67099), (3947, 32572), (7894, 16286), (8143, 15788)]