249564981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 391910400

約数和(自身を除く): 142345419

約数列:

[1, 3, 17, 19, 29, 51, 57, 83, 87, 107, 249, 321, 323, 493, 551, 969, 1411, 1479, 1577, 1653, 1819, 2033, 2407, 3103, 4233, 4731, 5457, 6099, 7221, 8881, 9309, 9367, 26643, 26809, 28101, 34561, 40919, 45733, 52751, 58957, 80427, 103683, 122757, 137199, 150977, 158253, 168739, 176871, 257549, 452931, 506217, 772647, 777461, 1002269, 2332383, 2868563, 3006807, 4378333, 4893431, 8605689, 13134999, 14680293, 83188327, 249564981]

約数ペア:

[(1, 249564981), (3, 83188327), (17, 14680293), (19, 13134999), (29, 8605689), (51, 4893431), (57, 4378333), (83, 3006807), (87, 2868563), (107, 2332383), (249, 1002269), (321, 777461), (323, 772647), (493, 506217), (551, 452931), (969, 257549), (1411, 176871), (1479, 168739), (1577, 158253), (1653, 150977), (1819, 137199), (2033, 122757), (2407, 103683), (3103, 80427), (4233, 58957), (4731, 52751), (5457, 45733), (6099, 40919), (7221, 34561), (8881, 28101), (9309, 26809), (9367, 26643)]