161569328

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{64319}}^1$

素因数の和:64484

約数の個数: 20

約数和(自身を含む): 315039360

約数和(自身を除く): 153470032

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 64319, 128638, 257276, 514552, 1029104, 10098083, 20196166, 40392332, 80784664, 161569328]

約数ペア:

[(1, 161569328), (2, 80784664), (4, 40392332), (8, 20196166), (16, 10098083), (157, 1029104), (314, 514552), (628, 257276), (1256, 128638), (2512, 64319)]