128666881

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{11959}}^1$

素因数の和:12048

約数の個数: 16

約数和(自身を含む): 155001600

約数和(自身を除く): 26334719

約数列:

[1, 7, 29, 53, 203, 371, 1537, 10759, 11959, 83713, 346811, 633827, 2427677, 4436789, 18380983, 128666881]

約数ペア:

[(1, 128666881), (7, 18380983), (29, 4436789), (53, 2427677), (203, 633827), (371, 346811), (1537, 83713), (10759, 11959)]