551248

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:402

約数の個数: 20

約数和(自身を含む): 1080288

約数和(自身を除く): 529040

約数列:

[1, 2, 4, 8, 16, 131, 262, 263, 524, 526, 1048, 1052, 2096, 2104, 4208, 34453, 68906, 137812, 275624, 551248]

約数ペア:

[(1, 551248), (2, 275624), (4, 137812), (8, 68906), (16, 34453), (131, 4208), (262, 2104), (263, 2096), (524, 1052), (526, 1048)]