2108752681

素因数分解:

$7^4\times {\mathrm{103}}^1\times {\mathrm{8527}}^1$

素因数の和:8658

約数の個数: 20

約数和(自身を含む): 2484240512

約数和(自身を除く): 375487831

約数列:

[1, 7, 49, 103, 343, 721, 2401, 5047, 8527, 35329, 59689, 247303, 417823, 878281, 2924761, 6147967, 20473327, 43035769, 301250383, 2108752681]

約数ペア:

[(1, 2108752681), (7, 301250383), (49, 43035769), (103, 20473327), (343, 6147967), (721, 2924761), (2401, 878281), (5047, 417823), (8527, 247303), (35329, 59689)]