247907556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 703166464

約数和(自身を除く): 455258908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 97, 117, 127, 129, 156, 172, 194, 234, 254, 258, 291, 381, 387, 388, 468, 508, 516, 559, 582, 762, 774, 873, 1118, 1143, 1164, 1261, 1524, 1548, 1651, 1677, 1746, 2236, 2286, 2522, 3302, 3354, 3492, 3783, 4171, 4572, 4953, 5031, 5044, 5461, 6604, 6708, 7566, 8342, 9906, 10062, 10922, 11349, 12319, 12513, 14859, 15132, 16383, 16684, 19812, 20124, 21844, 22698, 24638, 25026, 29718, 32766, 36957, 37539, 45396, 49149, 49276, 50052, 54223, 59436, 65532, 70993, 73914, 75078, 98298, 108446, 110871, 141986, 147828, 150156, 160147, 162669, 196596, 212979, 216892, 221742, 283972, 320294, 325338, 425958, 443484, 480441, 488007, 529717, 638937, 640588, 650676, 851916, 960882, 976014, 1059434, 1277874, 1441323, 1589151, 1921764, 1952028, 2118868, 2555748, 2882646, 3178302, 4767453, 5765292, 6356604, 6886321, 9534906, 13772642, 19069812, 20658963, 27545284, 41317926, 61976889, 82635852, 123953778, 247907556]

約数ペア:

[(1, 247907556), (2, 123953778), (3, 82635852), (4, 61976889), (6, 41317926), (9, 27545284), (12, 20658963), (13, 19069812), (18, 13772642), (26, 9534906), (36, 6886321), (39, 6356604), (43, 5765292), (52, 4767453), (78, 3178302), (86, 2882646), (97, 2555748), (117, 2118868), (127, 1952028), (129, 1921764), (156, 1589151), (172, 1441323), (194, 1277874), (234, 1059434), (254, 976014), (258, 960882), (291, 851916), (381, 650676), (387, 640588), (388, 638937), (468, 529717), (508, 488007), (516, 480441), (559, 443484), (582, 425958), (762, 325338), (774, 320294), (873, 283972), (1118, 221742), (1143, 216892), (1164, 212979), (1261, 196596), (1524, 162669), (1548, 160147), (1651, 150156), (1677, 147828), (1746, 141986), (2236, 110871), (2286, 108446), (2522, 98298), (3302, 75078), (3354, 73914), (3492, 70993), (3783, 65532), (4171, 59436), (4572, 54223), (4953, 50052), (5031, 49276), (5044, 49149), (5461, 45396), (6604, 37539), (6708, 36957), (7566, 32766), (8342, 29718), (9906, 25026), (10062, 24638), (10922, 22698), (11349, 21844), (12319, 20124), (12513, 19812), (14859, 16684), (15132, 16383)]