2148049.00000000

素因数分解:

$7^4\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 20

約数和(自身を含む): 77307600

約数和(自身を除く): 11849137

約数列:

[1, 7, 49, 137, 199, 343, 959, 1393, 2401, 6713, 9751, 27263, 46991, 68257, 190841, 328937, 477799, 1335887, 9351209, 65458463]

約数ペア:

[(1, 65458463), (7, 9351209), (49, 1335887), (137, 477799), (199, 328937), (343, 190841), (959, 68257), (1393, 46991), (2401, 27263), (6713, 9751)]