28175888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135461}}^1$

素因数の和:135482

約数の個数: 20

約数和(自身を含む): 58790508

約数和(自身を除く): 30614620

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135461, 270922, 541844, 1083688, 1760993, 2167376, 3521986, 7043972, 14087944, 28175888]

約数ペア:

[(1, 28175888), (2, 14087944), (4, 7043972), (8, 3521986), (13, 2167376), (16, 1760993), (26, 1083688), (52, 541844), (104, 270922), (208, 135461)]