28172638

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{4903}}^1$

素因数の和:4948

約数の個数: 24

約数和(自身を含む): 48461328

約数和(自身を除く): 20288690

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 4903, 5746, 9806, 63739, 83351, 127478, 166702, 828607, 1083563, 1657214, 2167126, 14086319, 28172638]

約数ペア:

[(1, 28172638), (2, 14086319), (13, 2167126), (17, 1657214), (26, 1083563), (34, 828607), (169, 166702), (221, 127478), (338, 83351), (442, 63739), (2873, 9806), (4903, 5746)]