28757564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 30512836

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 418, 451, 779, 836, 839, 902, 1558, 1678, 1804, 3116, 3356, 8569, 9229, 15941, 17138, 18458, 31882, 34276, 34399, 36916, 63764, 68798, 137596, 175351, 350702, 378389, 653581, 701404, 756778, 1307162, 1513556, 2614324, 7189391, 14378782, 28757564]

約数ペア:

[(1, 28757564), (2, 14378782), (4, 7189391), (11, 2614324), (19, 1513556), (22, 1307162), (38, 756778), (41, 701404), (44, 653581), (76, 378389), (82, 350702), (164, 175351), (209, 137596), (418, 68798), (451, 63764), (779, 36916), (836, 34399), (839, 34276), (902, 31882), (1558, 18458), (1678, 17138), (1804, 15941), (3116, 9229), (3356, 8569)]