388655944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{4889}}^1$

素因数の和:5437

約数の個数: 32

約数和(自身を含む): 768708000

約数和(自身を除く): 380052056

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 523, 1046, 2092, 4184, 4889, 9778, 9937, 19556, 19874, 39112, 39748, 79496, 92891, 185782, 371564, 743128, 2556947, 5113894, 10227788, 20455576, 48581993, 97163986, 194327972, 388655944]

約数ペア:

[(1, 388655944), (2, 194327972), (4, 97163986), (8, 48581993), (19, 20455576), (38, 10227788), (76, 5113894), (152, 2556947), (523, 743128), (1046, 371564), (2092, 185782), (4184, 92891), (4889, 79496), (9778, 39748), (9937, 39112), (19556, 19874)]