81907518

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 231137280

約数和(自身を除く): 149229762

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 31, 33, 38, 42, 43, 49, 57, 62, 66, 77, 86, 93, 98, 114, 129, 133, 147, 154, 186, 209, 217, 231, 258, 266, 294, 301, 341, 399, 418, 434, 462, 473, 539, 589, 602, 627, 651, 682, 798, 817, 903, 931, 946, 1023, 1078, 1178, 1254, 1302, 1333, 1419, 1463, 1519, 1617, 1634, 1767, 1806, 1862, 2046, 2107, 2387, 2451, 2666, 2793, 2838, 2926, 3038, 3234, 3311, 3534, 3999, 4123, 4214, 4389, 4557, 4774, 4902, 5586, 5719, 6321, 6479, 6622, 7161, 7998, 8246, 8778, 8987, 9114, 9331, 9933, 10241, 11438, 12369, 12642, 12958, 14322, 14663, 16709, 17157, 17974, 18662, 19437, 19866, 20482, 23177, 24738, 25327, 26961, 27993, 28861, 29326, 30723, 33418, 34314, 38874, 40033, 43989, 45353, 46354, 50127, 50654, 53922, 55986, 57722, 61446, 62909, 65317, 69531, 75981, 80066, 86583, 87978, 90706, 100254, 102641, 120099, 125818, 130634, 136059, 139062, 151962, 173166, 177289, 188727, 195951, 205282, 240198, 272118, 278597, 307923, 317471, 354578, 377454, 391902, 440363, 531867, 557194, 615846, 634942, 718487, 835791, 880726, 952413, 1063734, 1241023, 1321089, 1436974, 1671582, 1904826, 1950179, 2155461, 2482046, 2642178, 3723069, 3900358, 4310922, 5850537, 7446138, 11701074, 13651253, 27302506, 40953759, 81907518]

約数ペア:

[(1, 81907518), (2, 40953759), (3, 27302506), (6, 13651253), (7, 11701074), (11, 7446138), (14, 5850537), (19, 4310922), (21, 3900358), (22, 3723069), (31, 2642178), (33, 2482046), (38, 2155461), (42, 1950179), (43, 1904826), (49, 1671582), (57, 1436974), (62, 1321089), (66, 1241023), (77, 1063734), (86, 952413), (93, 880726), (98, 835791), (114, 718487), (129, 634942), (133, 615846), (147, 557194), (154, 531867), (186, 440363), (209, 391902), (217, 377454), (231, 354578), (258, 317471), (266, 307923), (294, 278597), (301, 272118), (341, 240198), (399, 205282), (418, 195951), (434, 188727), (462, 177289), (473, 173166), (539, 151962), (589, 139062), (602, 136059), (627, 130634), (651, 125818), (682, 120099), (798, 102641), (817, 100254), (903, 90706), (931, 87978), (946, 86583), (1023, 80066), (1078, 75981), (1178, 69531), (1254, 65317), (1302, 62909), (1333, 61446), (1419, 57722), (1463, 55986), (1519, 53922), (1617, 50654), (1634, 50127), (1767, 46354), (1806, 45353), (1862, 43989), (2046, 40033), (2107, 38874), (2387, 34314), (2451, 33418), (2666, 30723), (2793, 29326), (2838, 28861), (2926, 27993), (3038, 26961), (3234, 25327), (3311, 24738), (3534, 23177), (3999, 20482), (4123, 19866), (4214, 19437), (4389, 18662), (4557, 17974), (4774, 17157), (4902, 16709), (5586, 14663), (5719, 14322), (6321, 12958), (6479, 12642), (6622, 12369), (7161, 11438), (7998, 10241), (8246, 9933), (8778, 9331), (8987, 9114)]