871664

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:512

約数の個数: 20

約数和(自身を含む): 1704504

約数和(自身を除く): 832840

約数列:

[1, 2, 4, 8, 16, 157, 314, 347, 628, 694, 1256, 1388, 2512, 2776, 5552, 54479, 108958, 217916, 435832, 871664]

約数ペア:

[(1, 871664), (2, 435832), (4, 217916), (8, 108958), (16, 54479), (157, 5552), (314, 2776), (347, 2512), (628, 1388), (694, 1256)]