28187994

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{66169}}^1$

素因数の和:66245

約数の個数: 16

約数和(自身を含む): 57170880

約数和(自身を除く): 28982886

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 66169, 132338, 198507, 397014, 4697999, 9395998, 14093997, 28187994]

約数ペア:

[(1, 28187994), (2, 14093997), (3, 9395998), (6, 4697999), (71, 397014), (142, 198507), (213, 132338), (426, 66169)]