28657681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 32737600

約数和(自身を除く): 4079919

約数列:

[1, 13, 19, 157, 247, 739, 2041, 2983, 9607, 14041, 38779, 116023, 182533, 1508299, 2204437, 28657681]

約数ペア:

[(1, 28657681), (13, 2204437), (19, 1508299), (157, 182533), (247, 116023), (739, 38779), (2041, 14041), (2983, 9607)]