128539838

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{31991}}^1$

素因数の和:32048

約数の個数: 24

約数和(自身を含む): 229766544

約数和(自身を除く): 101226706

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 31991, 63982, 223937, 447874, 1311631, 1567559, 2623262, 3135118, 9181417, 18362834, 64269919, 128539838]

約数ペア:

[(1, 128539838), (2, 64269919), (7, 18362834), (14, 9181417), (41, 3135118), (49, 2623262), (82, 1567559), (98, 1311631), (287, 447874), (574, 223937), (2009, 63982), (4018, 31991)]