56847791

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 64

約数和(自身を含む): 83328000

約数和(自身を除く): 26480209

約数列:

[1, 7, 11, 13, 19, 49, 61, 77, 91, 133, 143, 209, 247, 343, 427, 539, 637, 671, 793, 931, 1001, 1159, 1463, 1729, 2717, 2989, 3773, 4459, 4697, 5551, 6517, 7007, 8113, 8723, 10241, 12103, 12749, 15067, 19019, 20923, 32879, 38857, 49049, 56791, 61061, 71687, 84721, 89243, 105469, 133133, 165737, 230153, 271999, 397537, 427427, 624701, 738283, 931931, 1160159, 2991989, 4372907, 5167981, 8121113, 56847791]

約数ペア:

[(1, 56847791), (7, 8121113), (11, 5167981), (13, 4372907), (19, 2991989), (49, 1160159), (61, 931931), (77, 738283), (91, 624701), (133, 427427), (143, 397537), (209, 271999), (247, 230153), (343, 165737), (427, 133133), (539, 105469), (637, 89243), (671, 84721), (793, 71687), (931, 61061), (1001, 56791), (1159, 49049), (1463, 38857), (1729, 32879), (2717, 20923), (2989, 19019), (3773, 15067), (4459, 12749), (4697, 12103), (5551, 10241), (6517, 8723), (7007, 8113)]