2781884

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 5644128

約数和(自身を除く): 2862244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 1361, 2044, 2722, 5444, 9527, 19054, 38108, 99353, 198706, 397412, 695471, 1390942, 2781884]

約数ペア:

[(1, 2781884), (2, 1390942), (4, 695471), (7, 397412), (14, 198706), (28, 99353), (73, 38108), (146, 19054), (292, 9527), (511, 5444), (1022, 2722), (1361, 2044)]