28091756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 61716480

約数和(自身を除く): 33624724

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 223, 308, 409, 446, 818, 892, 1561, 1636, 2453, 2863, 3122, 4499, 4906, 5726, 6244, 8998, 9812, 11452, 17171, 17996, 31493, 34342, 62986, 68684, 91207, 125972, 182414, 364828, 638449, 1003277, 1276898, 2006554, 2553796, 4013108, 7022939, 14045878, 28091756]

約数ペア:

[(1, 28091756), (2, 14045878), (4, 7022939), (7, 4013108), (11, 2553796), (14, 2006554), (22, 1276898), (28, 1003277), (44, 638449), (77, 364828), (154, 182414), (223, 125972), (308, 91207), (409, 68684), (446, 62986), (818, 34342), (892, 31493), (1561, 17996), (1636, 17171), (2453, 11452), (2863, 9812), (3122, 8998), (4499, 6244), (4906, 5726)]