248288257

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 306892800

約数和(自身を除く): 58604543

約数列:

[1, 7, 19, 73, 107, 133, 239, 511, 749, 1387, 1673, 2033, 4541, 7811, 9709, 14231, 17447, 25573, 31787, 54677, 122129, 148409, 179011, 331493, 485887, 1038863, 1866829, 2320451, 3401209, 13067803, 35469751, 248288257]

約数ペア:

[(1, 248288257), (7, 35469751), (19, 13067803), (73, 3401209), (107, 2320451), (133, 1866829), (239, 1038863), (511, 485887), (749, 331493), (1387, 179011), (1673, 148409), (2033, 122129), (4541, 54677), (7811, 31787), (9709, 25573), (14231, 17447)]