12687844

素因数分解:

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

素因数の和:304

約数の個数: 27

約数和(自身を含む): 24219867

約数和(自身を除く): 11532023

約数列:

[1, 2, 4, 13, 26, 52, 137, 169, 274, 338, 548, 676, 1781, 3562, 7124, 18769, 23153, 37538, 46306, 75076, 92612, 243997, 487994, 975988, 3171961, 6343922, 12687844]

約数ペア:

[(1, 12687844), (2, 6343922), (4, 3171961), (13, 975988), (26, 487994), (52, 243997), (137, 92612), (169, 75076), (274, 46306), (338, 37538), (548, 23153), (676, 18769), (1781, 7124)]