12681949

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 16588800

約数和(自身を除く): 3906851

約数列:

[1, 7, 17, 19, 71, 79, 119, 133, 323, 497, 553, 1207, 1343, 1349, 1501, 2261, 5609, 8449, 9401, 9443, 10507, 22933, 25517, 39263, 95353, 106571, 160531, 178619, 667471, 745997, 1811707, 12681949]

約数ペア:

[(1, 12681949), (7, 1811707), (17, 745997), (19, 667471), (71, 178619), (79, 160531), (119, 106571), (133, 95353), (323, 39263), (497, 25517), (553, 22933), (1207, 10507), (1343, 9443), (1349, 9401), (1501, 8449), (2261, 5609)]