1561439

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:302

約数の個数: 16

約数和(自身を含む): 1858560

約数和(自身を除く): 297121

約数列:

[1, 11, 19, 31, 209, 241, 341, 589, 2651, 4579, 6479, 7471, 50369, 82181, 141949, 1561439]

約数ペア:

[(1, 1561439), (11, 141949), (19, 82181), (31, 50369), (209, 7471), (241, 6479), (341, 4579), (589, 2651)]