2557808956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{265003}}^1$

素因数の和:265153

約数の個数: 24

約数和(自身を含む): 4748871680

約数和(自身を除く): 2191062724

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2413, 4826, 9652, 265003, 530006, 1060012, 5035057, 10070114, 20140228, 33655381, 67310762, 134621524, 639452239, 1278904478, 2557808956]

約数ペア:

[(1, 2557808956), (2, 1278904478), (4, 639452239), (19, 134621524), (38, 67310762), (76, 33655381), (127, 20140228), (254, 10070114), (508, 5035057), (2413, 1060012), (4826, 530006), (9652, 265003)]