668665844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{8581}}^1$

素因数の和:8637

約数の個数: 72

約数和(自身を含む): 1534049664

約数和(自身を除く): 865383820

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 121, 154, 161, 242, 253, 308, 322, 484, 506, 644, 847, 1012, 1694, 1771, 2783, 3388, 3542, 5566, 7084, 8581, 11132, 17162, 19481, 34324, 38962, 60067, 77924, 94391, 120134, 188782, 197363, 240268, 377564, 394726, 660737, 789452, 1038301, 1321474, 1381541, 2076602, 2170993, 2642948, 2763082, 4153204, 4341986, 5526164, 7268107, 8683972, 14536214, 15196951, 23880923, 29072428, 30393902, 47761846, 60787804, 95523692, 167166461, 334332922, 668665844]

約数ペア:

[(1, 668665844), (2, 334332922), (4, 167166461), (7, 95523692), (11, 60787804), (14, 47761846), (22, 30393902), (23, 29072428), (28, 23880923), (44, 15196951), (46, 14536214), (77, 8683972), (92, 7268107), (121, 5526164), (154, 4341986), (161, 4153204), (242, 2763082), (253, 2642948), (308, 2170993), (322, 2076602), (484, 1381541), (506, 1321474), (644, 1038301), (847, 789452), (1012, 660737), (1694, 394726), (1771, 377564), (2783, 240268), (3388, 197363), (3542, 188782), (5566, 120134), (7084, 94391), (8581, 77924), (11132, 60067), (17162, 38962), (19481, 34324)]