389940256

素因数分解:

$2^5\times {\mathrm{653}}^1\times {\mathrm{18661}}^1$

素因数の和:19324

約数の個数: 24

約数和(自身を含む): 768911724

約数和(自身を除く): 378971468

約数列:

[1, 2, 4, 8, 16, 32, 653, 1306, 2612, 5224, 10448, 18661, 20896, 37322, 74644, 149288, 298576, 597152, 12185633, 24371266, 48742532, 97485064, 194970128, 389940256]

約数ペア:

[(1, 389940256), (2, 194970128), (4, 97485064), (8, 48742532), (16, 24371266), (32, 12185633), (653, 597152), (1306, 298576), (2612, 149288), (5224, 74644), (10448, 37322), (18661, 20896)]