28248688

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 60

約数和(自身を含む): 61359168

約数和(自身を除く): 33110480

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 337, 338, 403, 496, 674, 676, 806, 1348, 1352, 1612, 2696, 2704, 3224, 4381, 5239, 5392, 6448, 8762, 10447, 10478, 17524, 20894, 20956, 35048, 41788, 41912, 56953, 70096, 83576, 83824, 113906, 135811, 167152, 227812, 271622, 455624, 543244, 911248, 1086488, 1765543, 2172976, 3531086, 7062172, 14124344, 28248688]

約数ペア:

[(1, 28248688), (2, 14124344), (4, 7062172), (8, 3531086), (13, 2172976), (16, 1765543), (26, 1086488), (31, 911248), (52, 543244), (62, 455624), (104, 271622), (124, 227812), (169, 167152), (208, 135811), (248, 113906), (337, 83824), (338, 83576), (403, 70096), (496, 56953), (674, 41912), (676, 41788), (806, 35048), (1348, 20956), (1352, 20894), (1612, 17524), (2696, 10478), (2704, 10447), (3224, 8762), (4381, 6448), (5239, 5392)]