268457852

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{397127}}^1$

素因数の和:397157

約数の個数: 18

約数和(自身を含む): 508720968

約数和(自身を除く): 240263116

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 397127, 794254, 1588508, 5162651, 10325302, 20650604, 67114463, 134228926, 268457852]

約数ペア:

[(1, 268457852), (2, 134228926), (4, 67114463), (13, 20650604), (26, 10325302), (52, 5162651), (169, 1588508), (338, 794254), (676, 397127)]