678278568

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{647}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 1970166240

約数和(自身を除く): 1291887672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 114, 121, 132, 152, 209, 228, 242, 264, 361, 363, 418, 456, 484, 627, 647, 722, 726, 836, 968, 1083, 1254, 1294, 1444, 1452, 1672, 1941, 2166, 2299, 2508, 2588, 2888, 2904, 3882, 3971, 4332, 4598, 5016, 5176, 6897, 7117, 7764, 7942, 8664, 9196, 11913, 12293, 13794, 14234, 15528, 15884, 18392, 21351, 23826, 24586, 27588, 28468, 31768, 36879, 42702, 43681, 47652, 49172, 55176, 56936, 73758, 78287, 85404, 87362, 95304, 98344, 131043, 135223, 147516, 156574, 170808, 174724, 233567, 234861, 262086, 270446, 295032, 313148, 349448, 405669, 467134, 469722, 524172, 540892, 626296, 700701, 811338, 934268, 939444, 1048344, 1081784, 1401402, 1487453, 1622676, 1868536, 1878888, 2569237, 2802804, 2974906, 3245352, 4462359, 5138474, 5605608, 5949812, 7707711, 8924718, 10276948, 11899624, 15415422, 17849436, 20553896, 28261607, 30830844, 35698872, 56523214, 61661688, 84784821, 113046428, 169569642, 226092856, 339139284, 678278568]

約数ペア:

[(1, 678278568), (2, 339139284), (3, 226092856), (4, 169569642), (6, 113046428), (8, 84784821), (11, 61661688), (12, 56523214), (19, 35698872), (22, 30830844), (24, 28261607), (33, 20553896), (38, 17849436), (44, 15415422), (57, 11899624), (66, 10276948), (76, 8924718), (88, 7707711), (114, 5949812), (121, 5605608), (132, 5138474), (152, 4462359), (209, 3245352), (228, 2974906), (242, 2802804), (264, 2569237), (361, 1878888), (363, 1868536), (418, 1622676), (456, 1487453), (484, 1401402), (627, 1081784), (647, 1048344), (722, 939444), (726, 934268), (836, 811338), (968, 700701), (1083, 626296), (1254, 540892), (1294, 524172), (1444, 469722), (1452, 467134), (1672, 405669), (1941, 349448), (2166, 313148), (2299, 295032), (2508, 270446), (2588, 262086), (2888, 234861), (2904, 233567), (3882, 174724), (3971, 170808), (4332, 156574), (4598, 147516), (5016, 135223), (5176, 131043), (6897, 98344), (7117, 95304), (7764, 87362), (7942, 85404), (8664, 78287), (9196, 73758), (11913, 56936), (12293, 55176), (13794, 49172), (14234, 47652), (15528, 43681), (15884, 42702), (18392, 36879), (21351, 31768), (23826, 28468), (24586, 27588)]