1245187412

素因数分解:

$2^2\times 7^4\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:758

約数の個数: 60

約数和(自身を含む): 2556360660

約数和(自身を除く): 1311173248

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 317, 343, 409, 634, 686, 818, 1268, 1372, 1636, 2219, 2401, 2863, 4438, 4802, 5726, 8876, 9604, 11452, 15533, 20041, 31066, 40082, 62132, 80164, 108731, 129653, 140287, 217462, 259306, 280574, 434924, 518612, 561148, 761117, 907571, 982009, 1522234, 1815142, 1964018, 3044468, 3630284, 3928036, 6352997, 12705994, 25411988, 44470979, 88941958, 177883916, 311296853, 622593706, 1245187412]

約数ペア:

[(1, 1245187412), (2, 622593706), (4, 311296853), (7, 177883916), (14, 88941958), (28, 44470979), (49, 25411988), (98, 12705994), (196, 6352997), (317, 3928036), (343, 3630284), (409, 3044468), (634, 1964018), (686, 1815142), (818, 1522234), (1268, 982009), (1372, 907571), (1636, 761117), (2219, 561148), (2401, 518612), (2863, 434924), (4438, 280574), (4802, 259306), (5726, 217462), (8876, 140287), (9604, 129653), (11452, 108731), (15533, 80164), (20041, 62132), (31066, 40082)]