28154269

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 6682211

約数列:

[1, 11, 13, 47, 59, 71, 143, 517, 611, 649, 767, 781, 923, 2773, 3337, 4189, 6721, 8437, 10153, 30503, 36049, 36707, 43381, 46079, 54457, 196883, 396539, 477191, 599027, 2165713, 2559479, 28154269]

約数ペア:

[(1, 28154269), (11, 2559479), (13, 2165713), (47, 599027), (59, 477191), (71, 396539), (143, 196883), (517, 54457), (611, 46079), (649, 43381), (767, 36707), (781, 36049), (923, 30503), (2773, 10153), (3337, 8437), (4189, 6721)]