28172521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 3760919

約数列:

[1, 13, 31, 53, 403, 689, 1319, 1643, 17147, 21359, 40889, 69907, 531557, 908791, 2167117, 28172521]

約数ペア:

[(1, 28172521), (13, 2167117), (31, 908791), (53, 531557), (403, 69907), (689, 40889), (1319, 21359), (1643, 17147)]