209645478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 538214976

約数和(自身を除く): 328569498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 193, 222, 233, 259, 333, 386, 466, 518, 579, 666, 699, 777, 1158, 1351, 1398, 1554, 1631, 1737, 2097, 2331, 2702, 3262, 3474, 4053, 4194, 4662, 4893, 7141, 8106, 8621, 9786, 12159, 14282, 14679, 17242, 21423, 24318, 25863, 29358, 42846, 44969, 49987, 51726, 60347, 64269, 77589, 89938, 99974, 120694, 128538, 134907, 149961, 155178, 181041, 269814, 299922, 314783, 362082, 404721, 449883, 543123, 629566, 809442, 899766, 944349, 1086246, 1663853, 1888698, 2833047, 3327706, 4991559, 5666094, 9983118, 11646971, 14974677, 23293942, 29949354, 34940913, 69881826, 104822739, 209645478]

約数ペア:

[(1, 209645478), (2, 104822739), (3, 69881826), (6, 34940913), (7, 29949354), (9, 23293942), (14, 14974677), (18, 11646971), (21, 9983118), (37, 5666094), (42, 4991559), (63, 3327706), (74, 2833047), (111, 1888698), (126, 1663853), (193, 1086246), (222, 944349), (233, 899766), (259, 809442), (333, 629566), (386, 543123), (466, 449883), (518, 404721), (579, 362082), (666, 314783), (699, 299922), (777, 269814), (1158, 181041), (1351, 155178), (1398, 149961), (1554, 134907), (1631, 128538), (1737, 120694), (2097, 99974), (2331, 89938), (2702, 77589), (3262, 64269), (3474, 60347), (4053, 51726), (4194, 49987), (4662, 44969), (4893, 42846), (7141, 29358), (8106, 25863), (8621, 24318), (9786, 21423), (12159, 17242), (14282, 14679)]