28863679

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 33598800

約数和(自身を除く): 4735121

約数列:

[1, 13, 19, 89, 101, 169, 247, 1157, 1313, 1691, 1919, 3211, 8989, 15041, 17069, 21983, 24947, 116857, 170791, 285779, 324311, 1519141, 2220283, 28863679]

約数ペア:

[(1, 28863679), (13, 2220283), (19, 1519141), (89, 324311), (101, 285779), (169, 170791), (247, 116857), (1157, 24947), (1313, 21983), (1691, 17069), (1919, 15041), (3211, 8989)]