28664944

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 42044816

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, 439, 583, 616, 742, 848, 878, 1166, 1232, 1484, 1756, 2332, 2968, 3073, 3512, 4081, 4664, 4829, 5936, 6146, 7024, 8162, 9328, 9658, 12292, 16324, 19316, 23267, 24584, 32648, 33803, 38632, 46534, 49168, 65296, 67606, 77264, 93068, 135212, 162869, 186136, 255937, 270424, 325738, 372272, 511874, 540848, 651476, 1023748, 1302952, 1791559, 2047496, 2605904, 3583118, 4094992, 7166236, 14332472, 28664944]

約数ペア:

[(1, 28664944), (2, 14332472), (4, 7166236), (7, 4094992), (8, 3583118), (11, 2605904), (14, 2047496), (16, 1791559), (22, 1302952), (28, 1023748), (44, 651476), (53, 540848), (56, 511874), (77, 372272), (88, 325738), (106, 270424), (112, 255937), (154, 186136), (176, 162869), (212, 135212), (308, 93068), (371, 77264), (424, 67606), (439, 65296), (583, 49168), (616, 46534), (742, 38632), (848, 33803), (878, 32648), (1166, 24584), (1232, 23267), (1484, 19316), (1756, 16324), (2332, 12292), (2968, 9658), (3073, 9328), (3512, 8162), (4081, 7024), (4664, 6146), (4829, 5936)]