28005228

素因数分解:

$2^2\times 3^2\times {\mathrm{881}}^1\times {\mathrm{883}}^1$

素因数の和:1774

約数の個数: 36

約数和(自身を含む): 70951608

約数和(自身を除く): 42946380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 881, 883, 1762, 1766, 2643, 2649, 3524, 3532, 5286, 5298, 7929, 7947, 10572, 10596, 15858, 15894, 31716, 31788, 777923, 1555846, 2333769, 3111692, 4667538, 7001307, 9335076, 14002614, 28005228]

約数ペア:

[(1, 28005228), (2, 14002614), (3, 9335076), (4, 7001307), (6, 4667538), (9, 3111692), (12, 2333769), (18, 1555846), (36, 777923), (881, 31788), (883, 31716), (1762, 15894), (1766, 15858), (2643, 10596), (2649, 10572), (3524, 7947), (3532, 7929), (5286, 5298)]