28118728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1847}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 57879360

約数和(自身を除く): 29760632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 173, 346, 692, 1384, 1847, 1903, 3694, 3806, 7388, 7612, 14776, 15224, 20317, 40634, 81268, 162536, 319531, 639062, 1278124, 2556248, 3514841, 7029682, 14059364, 28118728]

約数ペア:

[(1, 28118728), (2, 14059364), (4, 7029682), (8, 3514841), (11, 2556248), (22, 1278124), (44, 639062), (88, 319531), (173, 162536), (346, 81268), (692, 40634), (1384, 20317), (1847, 15224), (1903, 14776), (3694, 7612), (3806, 7388)]