28684852

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 30924236

約数列:

[1, 2, 4, 7, 14, 28, 47, 71, 94, 142, 188, 284, 307, 329, 497, 614, 658, 994, 1228, 1316, 1988, 2149, 3337, 4298, 6674, 8596, 13348, 14429, 21797, 23359, 28858, 43594, 46718, 57716, 87188, 93436, 101003, 152579, 202006, 305158, 404012, 610316, 1024459, 2048918, 4097836, 7171213, 14342426, 28684852]

約数ペア:

[(1, 28684852), (2, 14342426), (4, 7171213), (7, 4097836), (14, 2048918), (28, 1024459), (47, 610316), (71, 404012), (94, 305158), (142, 202006), (188, 152579), (284, 101003), (307, 93436), (329, 87188), (497, 57716), (614, 46718), (658, 43594), (994, 28858), (1228, 23359), (1316, 21797), (1988, 14429), (2149, 13348), (3337, 8596), (4298, 6674)]