213075676

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{440239}}^1$

素因数の和:440265

約数の個数: 18

約数和(自身を含む): 409863440

約数和(自身を除く): 196787764

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 440239, 880478, 1760956, 4842629, 9685258, 19370516, 53268919, 106537838, 213075676]

約数ペア:

[(1, 213075676), (2, 106537838), (4, 53268919), (11, 19370516), (22, 9685258), (44, 4842629), (121, 1760956), (242, 880478), (484, 440239)]