12687688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{121997}}^1$

素因数の和:122016

約数の個数: 16

約数和(自身を含む): 25619580

約数和(自身を除く): 12931892

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 121997, 243994, 487988, 975976, 1585961, 3171922, 6343844, 12687688]

約数ペア:

[(1, 12687688), (2, 6343844), (4, 3171922), (8, 1585961), (13, 975976), (26, 487988), (52, 243994), (104, 121997)]