28781714

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{5009}}^1$

素因数の和:5054

約数の個数: 24

約数和(自身を含む): 49508820

約数和(自身を除く): 20727106

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 5009, 5746, 10018, 65117, 85153, 130234, 170306, 846521, 1106989, 1693042, 2213978, 14390857, 28781714]

約数ペア:

[(1, 28781714), (2, 14390857), (13, 2213978), (17, 1693042), (26, 1106989), (34, 846521), (169, 170306), (221, 130234), (338, 85153), (442, 65117), (2873, 10018), (5009, 5746)]