39915772

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:598

約数の個数: 36

約数和(自身を含む): 76368096

約数和(自身を除く): 36452324

約数列:

[1, 2, 4, 13, 26, 52, 137, 169, 274, 338, 431, 548, 676, 862, 1724, 1781, 3562, 5603, 7124, 11206, 22412, 23153, 46306, 59047, 72839, 92612, 118094, 145678, 236188, 291356, 767611, 1535222, 3070444, 9978943, 19957886, 39915772]

約数ペア:

[(1, 39915772), (2, 19957886), (4, 9978943), (13, 3070444), (26, 1535222), (52, 767611), (137, 291356), (169, 236188), (274, 145678), (338, 118094), (431, 92612), (548, 72839), (676, 59047), (862, 46306), (1724, 23153), (1781, 22412), (3562, 11206), (5603, 7124)]