28173899

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 31292352

約数和(自身を除く): 3118453

約数列:

[1, 13, 53, 103, 397, 689, 1339, 5161, 5459, 21041, 40891, 70967, 273533, 531583, 2167223, 28173899]

約数ペア:

[(1, 28173899), (13, 2167223), (53, 531583), (103, 273533), (397, 70967), (689, 40891), (1339, 21041), (5161, 5459)]