28705144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{276011}}^1$

素因数の和:276030

約数の個数: 16

約数和(自身を含む): 57962520

約数和(自身を除く): 29257376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 276011, 552022, 1104044, 2208088, 3588143, 7176286, 14352572, 28705144]

約数ペア:

[(1, 28705144), (2, 14352572), (4, 7176286), (8, 3588143), (13, 2208088), (26, 1104044), (52, 552022), (104, 276011)]