6649477681

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{19289}}^1$

素因数の和:19366

約数の個数: 32

約数和(自身を含む): 8585130240

約数和(自身を除く): 1935652559

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 1331, 2849, 4477, 9317, 19289, 31339, 49247, 135023, 212179, 344729, 713693, 1485253, 2333969, 4995851, 7850623, 16337783, 25673659, 54954361, 86356853, 179715613, 604497971, 949925383, 6649477681]

約数ペア:

[(1, 6649477681), (7, 949925383), (11, 604497971), (37, 179715613), (77, 86356853), (121, 54954361), (259, 25673659), (407, 16337783), (847, 7850623), (1331, 4995851), (2849, 2333969), (4477, 1485253), (9317, 713693), (19289, 344729), (31339, 212179), (49247, 135023)]