127721804

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{17749}}^1$

素因数の和:18017

約数の個数: 24

約数和(自身を含む): 256452000

約数和(自身を除く): 128730196

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 7196, 17749, 35498, 70996, 124243, 248486, 496972, 4561493, 9122986, 18245972, 31930451, 63860902, 127721804]

約数ペア:

[(1, 127721804), (2, 63860902), (4, 31930451), (7, 18245972), (14, 9122986), (28, 4561493), (257, 496972), (514, 248486), (1028, 124243), (1799, 70996), (3598, 35498), (7196, 17749)]