28153559

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 33532416

約数和(自身を除く): 5378857

約数列:

[1, 7, 37, 71, 259, 497, 1531, 2627, 10717, 18389, 56647, 108701, 396529, 760907, 4021937, 28153559]

約数ペア:

[(1, 28153559), (7, 4021937), (37, 760907), (71, 396529), (259, 108701), (497, 56647), (1531, 18389), (2627, 10717)]