138655756

素因数分解:

$2^2\times {\mathrm{1777}}^1\times {\mathrm{19507}}^1$

素因数の和:21288

約数の個数: 12

約数和(自身を含む): 242796568

約数和(自身を除く): 104140812

約数列:

[1, 2, 4, 1777, 3554, 7108, 19507, 39014, 78028, 34663939, 69327878, 138655756]

約数ペア:

[(1, 138655756), (2, 69327878), (4, 34663939), (1777, 78028), (3554, 39014), (7108, 19507)]