28022128

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21101}}^1$

素因数の和:21192

約数の個数: 20

約数和(自身を含む): 54949608

約数和(自身を除く): 26927480

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21101, 42202, 84404, 168808, 337616, 1751383, 3502766, 7005532, 14011064, 28022128]

約数ペア:

[(1, 28022128), (2, 14011064), (4, 7005532), (8, 3502766), (16, 1751383), (83, 337616), (166, 168808), (332, 84404), (664, 42202), (1328, 21101)]