208540478

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1\times {\mathrm{4441}}^1$

素因数の和:4939

約数の個数: 16

約数和(自身を含む): 319504176

約数和(自身を除く): 110963698

約数列:

[1, 2, 53, 106, 443, 886, 4441, 8882, 23479, 46958, 235373, 470746, 1967363, 3934726, 104270239, 208540478]

約数ペア:

[(1, 208540478), (2, 104270239), (53, 3934726), (106, 1967363), (443, 470746), (886, 235373), (4441, 46958), (8882, 23479)]