51581478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 116367552

約数和(自身を除く): 64786074

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 61, 74, 78, 111, 122, 183, 222, 293, 366, 481, 586, 793, 879, 962, 1443, 1586, 1758, 2257, 2379, 2886, 3809, 4514, 4758, 6771, 7618, 10841, 11427, 13542, 17873, 21682, 22854, 29341, 32523, 35746, 53619, 58682, 65046, 88023, 107238, 140933, 176046, 232349, 281866, 422799, 464698, 661301, 697047, 845598, 1322602, 1394094, 1983903, 3967806, 8596913, 17193826, 25790739, 51581478]

約数ペア:

[(1, 51581478), (2, 25790739), (3, 17193826), (6, 8596913), (13, 3967806), (26, 1983903), (37, 1394094), (39, 1322602), (61, 845598), (74, 697047), (78, 661301), (111, 464698), (122, 422799), (183, 281866), (222, 232349), (293, 176046), (366, 140933), (481, 107238), (586, 88023), (793, 65046), (879, 58682), (962, 53619), (1443, 35746), (1586, 32523), (1758, 29341), (2257, 22854), (2379, 21682), (2886, 17873), (3809, 13542), (4514, 11427), (4758, 10841), (6771, 7618)]