280860118

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{4481}}^1$

素因数の和:4549

約数の個数: 48

約数和(自身を含む): 543648672

約数和(自身を除く): 262788554

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 121, 154, 242, 259, 407, 518, 814, 847, 1694, 2849, 4477, 4481, 5698, 8954, 8962, 31339, 31367, 49291, 62678, 62734, 98582, 165797, 331594, 345037, 542201, 690074, 1084402, 1160579, 1823767, 2321158, 3647534, 3795407, 7590814, 12766369, 20061437, 25532738, 40122874, 140430059, 280860118]

約数ペア:

[(1, 280860118), (2, 140430059), (7, 40122874), (11, 25532738), (14, 20061437), (22, 12766369), (37, 7590814), (74, 3795407), (77, 3647534), (121, 2321158), (154, 1823767), (242, 1160579), (259, 1084402), (407, 690074), (518, 542201), (814, 345037), (847, 331594), (1694, 165797), (2849, 98582), (4477, 62734), (4481, 62678), (5698, 49291), (8954, 31367), (8962, 31339)]