199807784

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{206413}}^1$

素因数の和:206441

約数の個数: 24

約数和(自身を含む): 411795930

約数和(自身を除く): 211988146

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 206413, 412826, 825652, 1651304, 2270543, 4541086, 9082172, 18164344, 24975973, 49951946, 99903892, 199807784]

約数ペア:

[(1, 199807784), (2, 99903892), (4, 49951946), (8, 24975973), (11, 18164344), (22, 9082172), (44, 4541086), (88, 2270543), (121, 1651304), (242, 825652), (484, 412826), (968, 206413)]