81157132

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:124

約数の個数: 108

約数和(自身を含む): 184855104

約数和(自身を除く): 103697972

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 37, 38, 49, 62, 74, 76, 98, 124, 133, 148, 196, 217, 259, 266, 361, 434, 518, 532, 589, 703, 722, 868, 931, 1036, 1147, 1178, 1406, 1444, 1519, 1813, 1862, 2294, 2356, 2527, 2812, 3038, 3626, 3724, 4123, 4588, 4921, 5054, 6076, 7252, 8029, 8246, 9842, 10108, 11191, 13357, 16058, 16492, 17689, 19684, 21793, 22382, 26714, 28861, 32116, 34447, 35378, 43586, 44764, 53428, 56203, 57722, 68894, 70756, 78337, 87172, 93499, 112406, 115444, 137788, 152551, 156674, 186998, 224812, 305102, 313348, 373996, 414067, 548359, 610204, 654493, 828134, 1067857, 1096718, 1308986, 1656268, 2135714, 2193436, 2617972, 2898469, 4271428, 5796938, 11593876, 20289283, 40578566, 81157132]

約数ペア:

[(1, 81157132), (2, 40578566), (4, 20289283), (7, 11593876), (14, 5796938), (19, 4271428), (28, 2898469), (31, 2617972), (37, 2193436), (38, 2135714), (49, 1656268), (62, 1308986), (74, 1096718), (76, 1067857), (98, 828134), (124, 654493), (133, 610204), (148, 548359), (196, 414067), (217, 373996), (259, 313348), (266, 305102), (361, 224812), (434, 186998), (518, 156674), (532, 152551), (589, 137788), (703, 115444), (722, 112406), (868, 93499), (931, 87172), (1036, 78337), (1147, 70756), (1178, 68894), (1406, 57722), (1444, 56203), (1519, 53428), (1813, 44764), (1862, 43586), (2294, 35378), (2356, 34447), (2527, 32116), (2812, 28861), (3038, 26714), (3626, 22382), (3724, 21793), (4123, 19684), (4588, 17689), (4921, 16492), (5054, 16058), (6076, 13357), (7252, 11191), (8029, 10108), (8246, 9842)]