28121028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{180263}}^1$

素因数の和:180283

約数の個数: 24

約数和(自身を含む): 70663488

約数和(自身を除く): 42542460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 180263, 360526, 540789, 721052, 1081578, 2163156, 2343419, 4686838, 7030257, 9373676, 14060514, 28121028]

約数ペア:

[(1, 28121028), (2, 14060514), (3, 9373676), (4, 7030257), (6, 4686838), (12, 2343419), (13, 2163156), (26, 1081578), (39, 721052), (52, 540789), (78, 360526), (156, 180263)]