28385478

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:979

約数の個数: 80

約数和(自身を含む): 73546704

約数和(自身を除く): 45161226

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 33, 34, 51, 54, 66, 81, 99, 102, 153, 162, 187, 198, 297, 306, 374, 459, 561, 594, 891, 918, 937, 1122, 1377, 1683, 1782, 1874, 2754, 2811, 3366, 5049, 5622, 8433, 10098, 10307, 15147, 15929, 16866, 20614, 25299, 30294, 30921, 31858, 47787, 50598, 61842, 75897, 92763, 95574, 143361, 151794, 175219, 185526, 278289, 286722, 350438, 430083, 525657, 556578, 834867, 860166, 1051314, 1290249, 1576971, 1669734, 2580498, 3153942, 4730913, 9461826, 14192739, 28385478]

約数ペア:

[(1, 28385478), (2, 14192739), (3, 9461826), (6, 4730913), (9, 3153942), (11, 2580498), (17, 1669734), (18, 1576971), (22, 1290249), (27, 1051314), (33, 860166), (34, 834867), (51, 556578), (54, 525657), (66, 430083), (81, 350438), (99, 286722), (102, 278289), (153, 185526), (162, 175219), (187, 151794), (198, 143361), (297, 95574), (306, 92763), (374, 75897), (459, 61842), (561, 50598), (594, 47787), (891, 31858), (918, 30921), (937, 30294), (1122, 25299), (1377, 20614), (1683, 16866), (1782, 15929), (1874, 15147), (2754, 10307), (2811, 10098), (3366, 8433), (5049, 5622)]