13288429

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 18063360

約数和(自身を除く): 4774931

約数列:

[1, 7, 11, 19, 31, 77, 133, 209, 217, 293, 341, 589, 1463, 2051, 2387, 3223, 4123, 5567, 6479, 9083, 22561, 38969, 45353, 61237, 63581, 99913, 172577, 428659, 699391, 1208039, 1898347, 13288429]

約数ペア:

[(1, 13288429), (7, 1898347), (11, 1208039), (19, 699391), (31, 428659), (77, 172577), (133, 99913), (209, 63581), (217, 61237), (293, 45353), (341, 38969), (589, 22561), (1463, 9083), (2051, 6479), (2387, 5567), (3223, 4123)]