1280855233

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2447}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 1571733504

約数和(自身を除く): 290878271

約数列:

[1, 7, 37, 43, 47, 259, 301, 329, 1591, 1739, 2021, 2447, 11137, 12173, 14147, 17129, 74777, 90539, 105221, 115009, 523439, 633773, 736547, 805063, 3893177, 4255333, 4945387, 27252239, 29787331, 34617709, 182979319, 1280855233]

約数ペア:

[(1, 1280855233), (7, 182979319), (37, 34617709), (43, 29787331), (47, 27252239), (259, 4945387), (301, 4255333), (329, 3893177), (1591, 805063), (1739, 736547), (2021, 633773), (2447, 523439), (11137, 115009), (12173, 105221), (14147, 90539), (17129, 74777)]