28757212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 29948708

約数列:

[1, 2, 4, 11, 22, 29, 31, 44, 58, 62, 116, 124, 319, 341, 638, 682, 727, 899, 1276, 1364, 1454, 1798, 2908, 3596, 7997, 9889, 15994, 19778, 21083, 22537, 31988, 39556, 42166, 45074, 84332, 90148, 231913, 247907, 463826, 495814, 653573, 927652, 991628, 1307146, 2614292, 7189303, 14378606, 28757212]

約数ペア:

[(1, 28757212), (2, 14378606), (4, 7189303), (11, 2614292), (22, 1307146), (29, 991628), (31, 927652), (44, 653573), (58, 495814), (62, 463826), (116, 247907), (124, 231913), (319, 90148), (341, 84332), (638, 45074), (682, 42166), (727, 39556), (899, 31988), (1276, 22537), (1364, 21083), (1454, 19778), (1798, 15994), (2908, 9889), (3596, 7997)]