1380047767

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{739}}^2$

素因数の和:1523

約数の個数: 18

約数和(自身を含む): 1666832328

約数和(自身を除く): 286784561

約数列:

[1, 7, 19, 133, 361, 739, 2527, 5173, 14041, 98287, 266779, 546121, 1867453, 3822847, 10376299, 72634093, 197149681, 1380047767]

約数ペア:

[(1, 1380047767), (7, 197149681), (19, 72634093), (133, 10376299), (361, 3822847), (739, 1867453), (2527, 546121), (5173, 266779), (14041, 98287)]