26906945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21787}}^1$

素因数の和:21824

約数の個数: 16

約数和(自身を含む): 36603840

約数和(自身を除く): 9696895

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 21787, 108935, 283231, 413953, 1416155, 2069765, 5381389, 26906945]

約数ペア:

[(1, 26906945), (5, 5381389), (13, 2069765), (19, 1416155), (65, 413953), (95, 283231), (247, 108935), (1235, 21787)]