78538644

素因数分解:

$2^2\times 3^2\times {\mathrm{2181629}}^1$

素因数の和:2181639

約数の個数: 18

約数和(自身を含む): 198528330

約数和(自身を除く): 119989686

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2181629, 4363258, 6544887, 8726516, 13089774, 19634661, 26179548, 39269322, 78538644]

約数ペア:

[(1, 78538644), (2, 39269322), (3, 26179548), (4, 19634661), (6, 13089774), (9, 8726516), (12, 6544887), (18, 4363258), (36, 2181629)]