487994778

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{277}}^1\times {\mathrm{1009}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 1073141160

約数和(自身を除く): 585146382

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 277, 291, 554, 582, 831, 873, 1009, 1662, 1746, 2018, 2493, 3027, 4986, 6054, 9081, 18162, 26869, 53738, 80607, 97873, 161214, 195746, 241821, 279493, 293619, 483642, 558986, 587238, 838479, 880857, 1676958, 1761714, 2515437, 5030874, 27110821, 54221642, 81332463, 162664926, 243997389, 487994778]

約数ペア:

[(1, 487994778), (2, 243997389), (3, 162664926), (6, 81332463), (9, 54221642), (18, 27110821), (97, 5030874), (194, 2515437), (277, 1761714), (291, 1676958), (554, 880857), (582, 838479), (831, 587238), (873, 558986), (1009, 483642), (1662, 293619), (1746, 279493), (2018, 241821), (2493, 195746), (3027, 161214), (4986, 97873), (6054, 80607), (9081, 53738), (18162, 26869)]