66723839

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 90972000

約数和(自身を除く): 24248161

約数列:

[1, 7, 13, 19, 37, 49, 91, 133, 149, 247, 259, 481, 637, 703, 931, 1043, 1729, 1813, 1937, 2831, 3367, 4921, 5513, 7301, 9139, 12103, 13559, 19817, 23569, 34447, 36803, 38591, 63973, 71669, 94913, 104747, 138719, 257621, 270137, 447811, 501683, 733229, 1361711, 1803347, 3511781, 5132603, 9531977, 66723839]

約数ペア:

[(1, 66723839), (7, 9531977), (13, 5132603), (19, 3511781), (37, 1803347), (49, 1361711), (91, 733229), (133, 501683), (149, 447811), (247, 270137), (259, 257621), (481, 138719), (637, 104747), (703, 94913), (931, 71669), (1043, 63973), (1729, 38591), (1813, 36803), (1937, 34447), (2831, 23569), (3367, 19817), (4921, 13559), (5513, 12103), (7301, 9139)]