210009778

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{3631}}^1$

素因数の和:3894

約数の個数: 24

約数和(自身を含む): 347800320

約数和(自身を除く): 137790542

約数列:

[1, 2, 11, 22, 121, 239, 242, 478, 2629, 3631, 5258, 7262, 28919, 39941, 57838, 79882, 439351, 867809, 878702, 1735618, 9545899, 19091798, 105004889, 210009778]

約数ペア:

[(1, 210009778), (2, 105004889), (11, 19091798), (22, 9545899), (121, 1735618), (239, 878702), (242, 867809), (478, 439351), (2629, 79882), (3631, 57838), (5258, 39941), (7262, 28919)]