5421556

素因数分解:

$2^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 11172000

約数和(自身を除く): 5750444

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 199, 278, 398, 556, 796, 973, 1393, 1946, 2786, 3892, 5572, 6811, 9751, 13622, 19502, 27244, 27661, 39004, 55322, 110644, 193627, 387254, 774508, 1355389, 2710778, 5421556]

約数ペア:

[(1, 5421556), (2, 2710778), (4, 1355389), (7, 774508), (14, 387254), (28, 193627), (49, 110644), (98, 55322), (139, 39004), (196, 27661), (199, 27244), (278, 19502), (398, 13622), (556, 9751), (796, 6811), (973, 5572), (1393, 3892), (1946, 2786)]