131579742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1873

約数の個数: 64

約数和(自身を含む): 315431424

約数和(自身を除く): 183851682

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 43, 82, 86, 123, 129, 246, 258, 287, 301, 574, 602, 861, 903, 1722, 1763, 1777, 1806, 3526, 3554, 5289, 5331, 10578, 10662, 12341, 12439, 24682, 24878, 37023, 37317, 72857, 74046, 74634, 76411, 145714, 152822, 218571, 229233, 437142, 458466, 509999, 534877, 1019998, 1069754, 1529997, 1604631, 3059994, 3132851, 3209262, 6265702, 9398553, 18797106, 21929957, 43859914, 65789871, 131579742]

約数ペア:

[(1, 131579742), (2, 65789871), (3, 43859914), (6, 21929957), (7, 18797106), (14, 9398553), (21, 6265702), (41, 3209262), (42, 3132851), (43, 3059994), (82, 1604631), (86, 1529997), (123, 1069754), (129, 1019998), (246, 534877), (258, 509999), (287, 458466), (301, 437142), (574, 229233), (602, 218571), (861, 152822), (903, 145714), (1722, 76411), (1763, 74634), (1777, 74046), (1806, 72857), (3526, 37317), (3554, 37023), (5289, 24878), (5331, 24682), (10578, 12439), (10662, 12341)]