871021921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{16091}}^1$

素因数の和:16165

約数の個数: 32

約数和(自身を含む): 1174072320

約数和(自身を除く): 303050399

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 259, 407, 703, 1463, 2849, 4921, 7733, 16091, 54131, 112637, 177001, 305729, 595367, 1239007, 2140103, 3363019, 4167569, 6549037, 11311973, 23541133, 45843259, 79183811, 124431703, 871021921]

約数ペア:

[(1, 871021921), (7, 124431703), (11, 79183811), (19, 45843259), (37, 23541133), (77, 11311973), (133, 6549037), (209, 4167569), (259, 3363019), (407, 2140103), (703, 1239007), (1463, 595367), (2849, 305729), (4921, 177001), (7733, 112637), (16091, 54131)]