28976493

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 49412160

約数和(自身を除く): 20435667

約数列:

[1, 3, 7, 13, 21, 39, 49, 59, 91, 147, 177, 257, 273, 413, 637, 767, 771, 1239, 1799, 1911, 2301, 2891, 3341, 5369, 5397, 8673, 10023, 12593, 15163, 16107, 23387, 37583, 37779, 45489, 70161, 106141, 112749, 163709, 197119, 318423, 491127, 591357, 742987, 1379833, 2228961, 4139499, 9658831, 28976493]

約数ペア:

[(1, 28976493), (3, 9658831), (7, 4139499), (13, 2228961), (21, 1379833), (39, 742987), (49, 591357), (59, 491127), (91, 318423), (147, 197119), (177, 163709), (257, 112749), (273, 106141), (413, 70161), (637, 45489), (767, 37779), (771, 37583), (1239, 23387), (1799, 16107), (1911, 15163), (2301, 12593), (2891, 10023), (3341, 8673), (5369, 5397)]