204985892

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{409}}^1\times {\mathrm{1171}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 363273120

約数和(自身を除く): 158287228

約数列:

[1, 2, 4, 107, 214, 409, 428, 818, 1171, 1636, 2342, 4684, 43763, 87526, 125297, 175052, 250594, 478939, 501188, 957878, 1915756, 51246473, 102492946, 204985892]

約数ペア:

[(1, 204985892), (2, 102492946), (4, 51246473), (107, 1915756), (214, 957878), (409, 501188), (428, 478939), (818, 250594), (1171, 175052), (1636, 125297), (2342, 87526), (4684, 43763)]