261123944

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{6553}}^1$

素因数の和:6869

約数の個数: 32

約数和(自身を含む): 520256520

約数和(自身を除く): 259132576

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 293, 586, 1172, 2344, 4981, 6553, 9962, 13106, 19924, 26212, 39848, 52424, 111401, 222802, 445604, 891208, 1920029, 3840058, 7680116, 15360232, 32640493, 65280986, 130561972, 261123944]

約数ペア:

[(1, 261123944), (2, 130561972), (4, 65280986), (8, 32640493), (17, 15360232), (34, 7680116), (68, 3840058), (136, 1920029), (293, 891208), (586, 445604), (1172, 222802), (2344, 111401), (4981, 52424), (6553, 39848), (9962, 26212), (13106, 19924)]