28140138

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2269}}^1$

素因数の和:2343

約数の個数: 48

約数和(自身を含む): 66928680

約数和(自身を除く): 38788542

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 234, 318, 477, 689, 954, 1378, 2067, 2269, 4134, 4538, 6201, 6807, 12402, 13614, 20421, 29497, 40842, 58994, 88491, 120257, 176982, 240514, 265473, 360771, 530946, 721542, 1082313, 1563341, 2164626, 3126682, 4690023, 9380046, 14070069, 28140138]

約数ペア:

[(1, 28140138), (2, 14070069), (3, 9380046), (6, 4690023), (9, 3126682), (13, 2164626), (18, 1563341), (26, 1082313), (39, 721542), (53, 530946), (78, 360771), (106, 265473), (117, 240514), (159, 176982), (234, 120257), (318, 88491), (477, 58994), (689, 40842), (954, 29497), (1378, 20421), (2067, 13614), (2269, 12402), (4134, 6807), (4538, 6201)]