12801272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 28512000

約数和(自身を除く): 15710728

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 43, 44, 68, 86, 88, 136, 172, 187, 199, 344, 374, 398, 473, 731, 748, 796, 946, 1462, 1496, 1592, 1892, 2189, 2924, 3383, 3784, 4378, 5848, 6766, 8041, 8557, 8756, 13532, 16082, 17114, 17512, 27064, 32164, 34228, 37213, 64328, 68456, 74426, 94127, 145469, 148852, 188254, 290938, 297704, 376508, 581876, 753016, 1163752, 1600159, 3200318, 6400636, 12801272]

約数ペア:

[(1, 12801272), (2, 6400636), (4, 3200318), (8, 1600159), (11, 1163752), (17, 753016), (22, 581876), (34, 376508), (43, 297704), (44, 290938), (68, 188254), (86, 148852), (88, 145469), (136, 94127), (172, 74426), (187, 68456), (199, 64328), (344, 37213), (374, 34228), (398, 32164), (473, 27064), (731, 17512), (748, 17114), (796, 16082), (946, 13532), (1462, 8756), (1496, 8557), (1592, 8041), (1892, 6766), (2189, 5848), (2924, 4378), (3383, 3784)]