28904272

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{17539}}^1$

素因数の和:17650

約数の個数: 20

約数和(自身を含む): 56548960

約数和(自身を除く): 27644688

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 17539, 35078, 70156, 140312, 280624, 1806517, 3613034, 7226068, 14452136, 28904272]

約数ペア:

[(1, 28904272), (2, 14452136), (4, 7226068), (8, 3613034), (16, 1806517), (103, 280624), (206, 140312), (412, 70156), (824, 35078), (1648, 17539)]