81664352

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 212357376

約数和(自身を除く): 130693024

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 77, 88, 92, 112, 121, 131, 154, 161, 176, 184, 224, 242, 253, 262, 308, 322, 352, 368, 484, 506, 524, 616, 644, 736, 847, 917, 968, 1012, 1048, 1232, 1288, 1441, 1694, 1771, 1834, 1936, 2024, 2096, 2464, 2576, 2783, 2882, 3013, 3388, 3542, 3668, 3872, 4048, 4192, 5152, 5566, 5764, 6026, 6776, 7084, 7336, 8096, 10087, 11132, 11528, 12052, 13552, 14168, 14672, 15851, 19481, 20174, 21091, 22264, 23056, 24104, 27104, 28336, 29344, 31702, 33143, 38962, 40348, 42182, 44528, 46112, 48208, 56672, 63404, 66286, 77924, 80696, 84364, 89056, 96416, 110957, 126808, 132572, 155848, 161392, 168728, 221914, 232001, 253616, 265144, 311696, 322784, 337456, 364573, 443828, 464002, 507232, 530288, 623392, 674912, 729146, 887656, 928004, 1060576, 1458292, 1775312, 1856008, 2552011, 2916584, 3550624, 3712016, 5104022, 5833168, 7424032, 10208044, 11666336, 20416088, 40832176, 81664352]

約数ペア:

[(1, 81664352), (2, 40832176), (4, 20416088), (7, 11666336), (8, 10208044), (11, 7424032), (14, 5833168), (16, 5104022), (22, 3712016), (23, 3550624), (28, 2916584), (32, 2552011), (44, 1856008), (46, 1775312), (56, 1458292), (77, 1060576), (88, 928004), (92, 887656), (112, 729146), (121, 674912), (131, 623392), (154, 530288), (161, 507232), (176, 464002), (184, 443828), (224, 364573), (242, 337456), (253, 322784), (262, 311696), (308, 265144), (322, 253616), (352, 232001), (368, 221914), (484, 168728), (506, 161392), (524, 155848), (616, 132572), (644, 126808), (736, 110957), (847, 96416), (917, 89056), (968, 84364), (1012, 80696), (1048, 77924), (1232, 66286), (1288, 63404), (1441, 56672), (1694, 48208), (1771, 46112), (1834, 44528), (1936, 42182), (2024, 40348), (2096, 38962), (2464, 33143), (2576, 31702), (2783, 29344), (2882, 28336), (3013, 27104), (3388, 24104), (3542, 23056), (3668, 22264), (3872, 21091), (4048, 20174), (4192, 19481), (5152, 15851), (5566, 14672), (5764, 14168), (6026, 13552), (6776, 12052), (7084, 11528), (7336, 11132), (8096, 10087)]