28354352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136319}}^1$

素因数の和:136340

約数の個数: 20

約数和(自身を含む): 59162880

約数和(自身を除く): 30808528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136319, 272638, 545276, 1090552, 1772147, 2181104, 3544294, 7088588, 14177176, 28354352]

約数ペア:

[(1, 28354352), (2, 14177176), (4, 7088588), (8, 3544294), (13, 2181104), (16, 1772147), (26, 1090552), (52, 545276), (104, 272638), (208, 136319)]