81153556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 161441280

約数和(自身を除く): 80287724

約数列:

[1, 2, 4, 11, 22, 43, 44, 59, 86, 118, 172, 236, 473, 649, 727, 946, 1298, 1454, 1892, 2537, 2596, 2908, 5074, 7997, 10148, 15994, 27907, 31261, 31988, 42893, 55814, 62522, 85786, 111628, 125044, 171572, 343871, 471823, 687742, 943646, 1375484, 1844399, 1887292, 3688798, 7377596, 20288389, 40576778, 81153556]

約数ペア:

[(1, 81153556), (2, 40576778), (4, 20288389), (11, 7377596), (22, 3688798), (43, 1887292), (44, 1844399), (59, 1375484), (86, 943646), (118, 687742), (172, 471823), (236, 343871), (473, 171572), (649, 125044), (727, 111628), (946, 85786), (1298, 62522), (1454, 55814), (1892, 42893), (2537, 31988), (2596, 31261), (2908, 27907), (5074, 15994), (7997, 10148)]