668889188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{119701}}^1$

素因数の和:119843

約数の個数: 24

約数和(自身を含む): 1287035904

約数和(自身を除く): 618146716

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 5588, 119701, 239402, 478804, 1316711, 2633422, 5266844, 15202027, 30404054, 60808108, 167222297, 334444594, 668889188]

約数ペア:

[(1, 668889188), (2, 334444594), (4, 167222297), (11, 60808108), (22, 30404054), (44, 15202027), (127, 5266844), (254, 2633422), (508, 1316711), (1397, 478804), (2794, 239402), (5588, 119701)]