26991952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{129769}}^1$

素因数の和:129790

約数の個数: 20

約数和(自身を含む): 56320180

約数和(自身を除く): 29328228

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 129769, 259538, 519076, 1038152, 1686997, 2076304, 3373994, 6747988, 13495976, 26991952]

約数ペア:

[(1, 26991952), (2, 13495976), (4, 6747988), (8, 3373994), (13, 2076304), (16, 1686997), (26, 1038152), (52, 519076), (104, 259538), (208, 129769)]