28665808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{105389}}^1$

素因数の和:105414

約数の個数: 20

約数和(自身を含む): 58807620

約数和(自身を除く): 30141812

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 105389, 210778, 421556, 843112, 1686224, 1791613, 3583226, 7166452, 14332904, 28665808]

約数ペア:

[(1, 28665808), (2, 14332904), (4, 7166452), (8, 3583226), (16, 1791613), (17, 1686224), (34, 843112), (68, 421556), (136, 210778), (272, 105389)]