16870865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2239}}^1$

素因数の和:2392

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 5385775

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2239, 7535, 11195, 24629, 123145, 306743, 1533715, 3374173, 16870865]

約数ペア:

[(1, 16870865), (5, 3374173), (11, 1533715), (55, 306743), (137, 123145), (685, 24629), (1507, 11195), (2239, 7535)]