204889784

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{211663}}^1$

素因数の和:211691

約数の個数: 24

約数和(自身を含む): 422269680

約数和(自身を除く): 217379896

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 211663, 423326, 846652, 1693304, 2328293, 4656586, 9313172, 18626344, 25611223, 51222446, 102444892, 204889784]

約数ペア:

[(1, 204889784), (2, 102444892), (4, 51222446), (8, 25611223), (11, 18626344), (22, 9313172), (44, 4656586), (88, 2328293), (121, 1693304), (242, 846652), (484, 423326), (968, 211663)]