26978081

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 30777600

約数和(自身を除く): 3799519

約数列:

[1, 13, 19, 239, 247, 457, 3107, 4541, 5941, 8683, 59033, 109223, 112879, 1419899, 2075237, 26978081]

約数ペア:

[(1, 26978081), (13, 2075237), (19, 1419899), (239, 112879), (247, 109223), (457, 59033), (3107, 8683), (4541, 5941)]