80666005

素因数分解:

$5^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{977}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 113052888

約数和(自身を除く): 32386883

約数列:

[1, 5, 7, 35, 49, 245, 337, 977, 1685, 2359, 4885, 6839, 11795, 16513, 34195, 47873, 82565, 239365, 329249, 1646245, 2304743, 11523715, 16133201, 80666005]

約数ペア:

[(1, 80666005), (5, 16133201), (7, 11523715), (35, 2304743), (49, 1646245), (245, 329249), (337, 239365), (977, 82565), (1685, 47873), (2359, 34195), (4885, 16513), (6839, 11795)]