208539496

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{33377}}^1$

素因数の和:33465

約数の個数: 32

約数和(自身を含む): 432578880

約数和(自身を除く): 224039384

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 33377, 66754, 133508, 267016, 367147, 734294, 1468588, 2369767, 2937176, 4739534, 9479068, 18958136, 26067437, 52134874, 104269748, 208539496]

約数ペア:

[(1, 208539496), (2, 104269748), (4, 52134874), (8, 26067437), (11, 18958136), (22, 9479068), (44, 4739534), (71, 2937176), (88, 2369767), (142, 1468588), (284, 734294), (568, 367147), (781, 267016), (1562, 133508), (3124, 66754), (6248, 33377)]