26995865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21859}}^1$

素因数の和:21896

約数の個数: 16

約数和(自身を含む): 36724800

約数和(自身を除く): 9728935

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 21859, 109295, 284167, 415321, 1420835, 2076605, 5399173, 26995865]

約数ペア:

[(1, 26995865), (5, 5399173), (13, 2076605), (19, 1420835), (65, 415321), (95, 284167), (247, 109295), (1235, 21859)]