128561144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{4889}}^1$

素因数の和:5087

約数の個数: 32

約数和(自身を含む): 255258000

約数和(自身を除く): 126696856

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 173, 346, 692, 1384, 3287, 4889, 6574, 9778, 13148, 19556, 26296, 39112, 92891, 185782, 371564, 743128, 845797, 1691594, 3383188, 6766376, 16070143, 32140286, 64280572, 128561144]

約数ペア:

[(1, 128561144), (2, 64280572), (4, 32140286), (8, 16070143), (19, 6766376), (38, 3383188), (76, 1691594), (152, 845797), (173, 743128), (346, 371564), (692, 185782), (1384, 92891), (3287, 39112), (4889, 26296), (6574, 19556), (9778, 13148)]