139336568

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{80263}}^1$

素因数の和:80307

約数の個数: 32

約数和(自身を含む): 308213760

約数和(自身を除く): 168877192

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 80263, 160526, 321052, 561841, 642104, 1123682, 2247364, 2488153, 4494728, 4976306, 9952612, 17417071, 19905224, 34834142, 69668284, 139336568]

約数ペア:

[(1, 139336568), (2, 69668284), (4, 34834142), (7, 19905224), (8, 17417071), (14, 9952612), (28, 4976306), (31, 4494728), (56, 2488153), (62, 2247364), (124, 1123682), (217, 642104), (248, 561841), (434, 321052), (868, 160526), (1736, 80263)]