390996718

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{287921}}^1$

素因数の和:288027

約数の個数: 16

約数和(自身を含む): 677192544

約数和(自身を除く): 286195826

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 287921, 575842, 2015447, 4030894, 27928337, 55856674, 195498359, 390996718]

約数ペア:

[(1, 390996718), (2, 195498359), (7, 55856674), (14, 27928337), (97, 4030894), (194, 2015447), (679, 575842), (1358, 287921)]