2142217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 2737152

約数和(自身を除く): 594935

約数列:

[1, 7, 11, 43, 77, 301, 473, 647, 3311, 4529, 7117, 27821, 49819, 194747, 306031, 2142217]

約数ペア:

[(1, 2142217), (7, 306031), (11, 194747), (43, 49819), (77, 27821), (301, 7117), (473, 4529), (647, 3311)]