128018852

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{189377}}^1$

素因数の和:189407

約数の個数: 18

約数和(自身を含む): 242593218

約数和(自身を除く): 114574366

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 189377, 378754, 757508, 2461901, 4923802, 9847604, 32004713, 64009426, 128018852]

約数ペア:

[(1, 128018852), (2, 64009426), (4, 32004713), (13, 9847604), (26, 4923802), (52, 2461901), (169, 757508), (338, 378754), (676, 189377)]