211091128

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{613637}}^1$

素因数の和:613686

約数の個数: 16

約数和(自身を含む): 405001080

約数和(自身を除く): 193909952

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 613637, 1227274, 2454548, 4909096, 26386391, 52772782, 105545564, 211091128]

約数ペア:

[(1, 211091128), (2, 105545564), (4, 52772782), (8, 26386391), (43, 4909096), (86, 2454548), (172, 1227274), (344, 613637)]