129243856

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16253}}^1$

素因数の和:16339

約数の個数: 40

約数和(自身を含む): 290231424

約数和(自身を除く): 160987568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 16253, 32506, 65012, 113771, 130024, 227542, 260048, 455084, 910168, 1153963, 1820336, 2307926, 4615852, 8077741, 9231704, 16155482, 18463408, 32310964, 64621928, 129243856]

約数ペア:

[(1, 129243856), (2, 64621928), (4, 32310964), (7, 18463408), (8, 16155482), (14, 9231704), (16, 8077741), (28, 4615852), (56, 2307926), (71, 1820336), (112, 1153963), (142, 910168), (284, 455084), (497, 260048), (568, 227542), (994, 130024), (1136, 113771), (1988, 65012), (3976, 32506), (7952, 16253)]