338054888

素因数分解:

$2^3\times {\mathrm{1999}}^1\times {\mathrm{21139}}^1$

素因数の和:23144

約数の個数: 16

約数和(自身を含む): 634200000

約数和(自身を除く): 296145112

約数列:

[1, 2, 4, 8, 1999, 3998, 7996, 15992, 21139, 42278, 84556, 169112, 42256861, 84513722, 169027444, 338054888]

約数ペア:

[(1, 338054888), (2, 169027444), (4, 84513722), (8, 42256861), (1999, 169112), (3998, 84556), (7996, 42278), (15992, 21139)]