31276784

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 77137920

約数和(自身を除く): 45861136

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 53, 56, 77, 88, 106, 112, 154, 176, 212, 308, 371, 424, 479, 583, 616, 742, 848, 958, 1166, 1232, 1484, 1916, 2332, 2968, 3353, 3832, 4081, 4664, 5269, 5936, 6706, 7664, 8162, 9328, 10538, 13412, 16324, 21076, 25387, 26824, 32648, 36883, 42152, 50774, 53648, 65296, 73766, 84304, 101548, 147532, 177709, 203096, 279257, 295064, 355418, 406192, 558514, 590128, 710836, 1117028, 1421672, 1954799, 2234056, 2843344, 3909598, 4468112, 7819196, 15638392, 31276784]

約数ペア:

[(1, 31276784), (2, 15638392), (4, 7819196), (7, 4468112), (8, 3909598), (11, 2843344), (14, 2234056), (16, 1954799), (22, 1421672), (28, 1117028), (44, 710836), (53, 590128), (56, 558514), (77, 406192), (88, 355418), (106, 295064), (112, 279257), (154, 203096), (176, 177709), (212, 147532), (308, 101548), (371, 84304), (424, 73766), (479, 65296), (583, 53648), (616, 50774), (742, 42152), (848, 36883), (958, 32648), (1166, 26824), (1232, 25387), (1484, 21076), (1916, 16324), (2332, 13412), (2968, 10538), (3353, 9328), (3832, 8162), (4081, 7664), (4664, 6706), (5269, 5936)]