257339969138

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1\times {\mathrm{631903}}^1$

素因数の和:633462

約数の個数: 32

約数和(自身を含む): 464676925440

約数和(自身を除く): 207336956302

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1531, 3062, 10717, 21434, 29089, 58178, 203623, 407246, 631903, 1263806, 4423321, 8846642, 12006157, 24012314, 84043099, 168086198, 967443493, 1934886986, 6772104451, 13544208902, 18381426367, 36762852734, 128669984569, 257339969138]

約数ペア:

[(1, 257339969138), (2, 128669984569), (7, 36762852734), (14, 18381426367), (19, 13544208902), (38, 6772104451), (133, 1934886986), (266, 967443493), (1531, 168086198), (3062, 84043099), (10717, 24012314), (21434, 12006157), (29089, 8846642), (58178, 4423321), (203623, 1263806), (407246, 631903)]