1290985864

素因数分解:

$2^3\times 7^1\times {\mathrm{863}}^1\times {\mathrm{26713}}^1$

素因数の和:27589

約数の個数: 32

約数和(自身を含む): 2769707520

約数和(自身を除く): 1478721656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 863, 1726, 3452, 6041, 6904, 12082, 24164, 26713, 48328, 53426, 106852, 186991, 213704, 373982, 747964, 1495928, 23053319, 46106638, 92213276, 161373233, 184426552, 322746466, 645492932, 1290985864]

約数ペア:

[(1, 1290985864), (2, 645492932), (4, 322746466), (7, 184426552), (8, 161373233), (14, 92213276), (28, 46106638), (56, 23053319), (863, 1495928), (1726, 747964), (3452, 373982), (6041, 213704), (6904, 186991), (12082, 106852), (24164, 53426), (26713, 48328)]