1278245888

素因数分解:

$2^{10}\times {\mathrm{809}}^1\times {\mathrm{1543}}^1$

素因数の和:2372

約数の個数: 44

約数和(自身を含む): 2560060080

約数和(自身を除く): 1281814192

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 809, 1024, 1543, 1618, 3086, 3236, 6172, 6472, 12344, 12944, 24688, 25888, 49376, 51776, 98752, 103552, 197504, 207104, 395008, 414208, 790016, 828416, 1248287, 1580032, 2496574, 4993148, 9986296, 19972592, 39945184, 79890368, 159780736, 319561472, 639122944, 1278245888]

約数ペア:

[(1, 1278245888), (2, 639122944), (4, 319561472), (8, 159780736), (16, 79890368), (32, 39945184), (64, 19972592), (128, 9986296), (256, 4993148), (512, 2496574), (809, 1580032), (1024, 1248287), (1543, 828416), (1618, 790016), (3086, 414208), (3236, 395008), (6172, 207104), (6472, 197504), (12344, 103552), (12944, 98752), (24688, 51776), (25888, 49376)]