28752218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{17903}}^1$

素因数の和:17989

約数の個数: 16

約数和(自身を含む): 47696256

約数和(自身を除く): 18944038

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 17903, 35806, 196933, 393866, 1306919, 2613838, 14376109, 28752218]

約数ペア:

[(1, 28752218), (2, 14376109), (11, 2613838), (22, 1306919), (73, 393866), (146, 196933), (803, 35806), (1606, 17903)]