131147863

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 177292800

約数和(自身を除く): 46144937

約数列:

[1, 7, 11, 23, 49, 71, 77, 149, 161, 253, 497, 539, 781, 1043, 1127, 1633, 1639, 1771, 3427, 3479, 5467, 7301, 10579, 11431, 11473, 12397, 17963, 23989, 37697, 38269, 74053, 80017, 80311, 116369, 125741, 167923, 243317, 263879, 518371, 814583, 880187, 1703219, 1847153, 2676487, 5702081, 11922533, 18735409, 131147863]

約数ペア:

[(1, 131147863), (7, 18735409), (11, 11922533), (23, 5702081), (49, 2676487), (71, 1847153), (77, 1703219), (149, 880187), (161, 814583), (253, 518371), (497, 263879), (539, 243317), (781, 167923), (1043, 125741), (1127, 116369), (1633, 80311), (1639, 80017), (1771, 74053), (3427, 38269), (3479, 37697), (5467, 23989), (7301, 17963), (10579, 12397), (11431, 11473)]