289769936

素因数分解:

$2^4\times {\mathrm{1123}}^1\times {\mathrm{16127}}^1$

素因数の和:17258

約数の個数: 20

約数和(自身を含む): 561964032

約数和(自身を除く): 272194096

約数列:

[1, 2, 4, 8, 16, 1123, 2246, 4492, 8984, 16127, 17968, 32254, 64508, 129016, 258032, 18110621, 36221242, 72442484, 144884968, 289769936]

約数ペア:

[(1, 289769936), (2, 144884968), (4, 72442484), (8, 36221242), (16, 18110621), (1123, 258032), (2246, 129016), (4492, 64508), (8984, 32254), (16127, 17968)]