253264319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{523}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 334018560

約数和(自身を除く): 80754241

約数列:

[1, 7, 11, 19, 77, 133, 209, 331, 523, 1463, 2317, 3641, 3661, 5753, 6289, 9937, 25487, 40271, 44023, 69179, 69559, 109307, 173113, 484253, 765149, 1211791, 1904243, 3289147, 13329701, 23024029, 36180617, 253264319]

約数ペア:

[(1, 253264319), (7, 36180617), (11, 23024029), (19, 13329701), (77, 3289147), (133, 1904243), (209, 1211791), (331, 765149), (523, 484253), (1463, 173113), (2317, 109307), (3641, 69559), (3661, 69179), (5753, 44023), (6289, 40271), (9937, 25487)]