15997788

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^2$

素因数の和:311

約数の個数: 54

約数和(自身を含む): 42502824

約数和(自身を除く): 26505036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 139, 207, 276, 278, 414, 417, 556, 828, 834, 1251, 1668, 2502, 3197, 5004, 6394, 9591, 12788, 19182, 19321, 28773, 38364, 38642, 57546, 57963, 77284, 115092, 115926, 173889, 231852, 347778, 444383, 695556, 888766, 1333149, 1777532, 2666298, 3999447, 5332596, 7998894, 15997788]

約数ペア:

[(1, 15997788), (2, 7998894), (3, 5332596), (4, 3999447), (6, 2666298), (9, 1777532), (12, 1333149), (18, 888766), (23, 695556), (36, 444383), (46, 347778), (69, 231852), (92, 173889), (138, 115926), (139, 115092), (207, 77284), (276, 57963), (278, 57546), (414, 38642), (417, 38364), (556, 28773), (828, 19321), (834, 19182), (1251, 12788), (1668, 9591), (2502, 6394), (3197, 5004)]