81238976

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 168

約数和(自身を含む): 211957920

約数和(自身を除く): 130718944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 32, 37, 52, 56, 58, 64, 74, 91, 104, 112, 116, 148, 169, 182, 203, 208, 224, 232, 259, 296, 338, 364, 377, 406, 416, 448, 464, 481, 518, 592, 676, 728, 754, 812, 832, 928, 962, 1036, 1073, 1183, 1184, 1352, 1456, 1508, 1624, 1856, 1924, 2072, 2146, 2366, 2368, 2639, 2704, 2912, 3016, 3248, 3367, 3848, 4144, 4292, 4732, 4901, 5278, 5408, 5824, 6032, 6253, 6496, 6734, 7511, 7696, 8288, 8584, 9464, 9802, 10556, 10816, 12064, 12506, 12992, 13468, 13949, 15022, 15392, 16576, 17168, 18928, 19604, 21112, 24128, 25012, 26936, 27898, 30044, 30784, 34307, 34336, 37856, 39208, 42224, 43771, 50024, 53872, 55796, 60088, 68614, 68672, 75712, 78416, 84448, 87542, 97643, 100048, 107744, 111592, 120176, 137228, 156832, 168896, 175084, 181337, 195286, 200096, 215488, 223184, 240352, 274456, 313664, 350168, 362674, 390572, 400192, 446368, 480704, 548912, 700336, 725348, 781144, 892736, 1097824, 1269359, 1400672, 1450696, 1562288, 2195648, 2538718, 2801344, 2901392, 3124576, 5077436, 5802784, 6249152, 10154872, 11605568, 20309744, 40619488, 81238976]

約数ペア:

[(1, 81238976), (2, 40619488), (4, 20309744), (7, 11605568), (8, 10154872), (13, 6249152), (14, 5802784), (16, 5077436), (26, 3124576), (28, 2901392), (29, 2801344), (32, 2538718), (37, 2195648), (52, 1562288), (56, 1450696), (58, 1400672), (64, 1269359), (74, 1097824), (91, 892736), (104, 781144), (112, 725348), (116, 700336), (148, 548912), (169, 480704), (182, 446368), (203, 400192), (208, 390572), (224, 362674), (232, 350168), (259, 313664), (296, 274456), (338, 240352), (364, 223184), (377, 215488), (406, 200096), (416, 195286), (448, 181337), (464, 175084), (481, 168896), (518, 156832), (592, 137228), (676, 120176), (728, 111592), (754, 107744), (812, 100048), (832, 97643), (928, 87542), (962, 84448), (1036, 78416), (1073, 75712), (1183, 68672), (1184, 68614), (1352, 60088), (1456, 55796), (1508, 53872), (1624, 50024), (1856, 43771), (1924, 42224), (2072, 39208), (2146, 37856), (2366, 34336), (2368, 34307), (2639, 30784), (2704, 30044), (2912, 27898), (3016, 26936), (3248, 25012), (3367, 24128), (3848, 21112), (4144, 19604), (4292, 18928), (4732, 17168), (4901, 16576), (5278, 15392), (5408, 15022), (5824, 13949), (6032, 13468), (6253, 12992), (6496, 12506), (6734, 12064), (7511, 10816), (7696, 10556), (8288, 9802), (8584, 9464)]