64782172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 161300160

約数和(自身を除く): 96517988

約数列:

[1, 2, 4, 7, 13, 14, 17, 19, 26, 28, 29, 34, 38, 52, 58, 68, 76, 91, 116, 119, 133, 182, 203, 221, 238, 247, 266, 323, 361, 364, 377, 406, 442, 476, 493, 494, 532, 551, 646, 722, 754, 812, 884, 986, 988, 1102, 1292, 1444, 1508, 1547, 1729, 1972, 2204, 2261, 2527, 2639, 3094, 3451, 3458, 3857, 4199, 4522, 4693, 5054, 5278, 6137, 6188, 6409, 6902, 6916, 7163, 7714, 8398, 9044, 9367, 9386, 10108, 10469, 10556, 12274, 12818, 13804, 14326, 15428, 16796, 18734, 18772, 20938, 24548, 25636, 28652, 29393, 32851, 37468, 41876, 42959, 44863, 50141, 58786, 65569, 65702, 73283, 79781, 85918, 89726, 100282, 117572, 121771, 131138, 131404, 136097, 146566, 159562, 171836, 177973, 179452, 200564, 243542, 262276, 272194, 293132, 319124, 355946, 487084, 544388, 558467, 711892, 852397, 952679, 1116934, 1245811, 1704794, 1905358, 2233868, 2313649, 2491622, 3409588, 3810716, 4627298, 4983244, 9254596, 16195543, 32391086, 64782172]

約数ペア:

[(1, 64782172), (2, 32391086), (4, 16195543), (7, 9254596), (13, 4983244), (14, 4627298), (17, 3810716), (19, 3409588), (26, 2491622), (28, 2313649), (29, 2233868), (34, 1905358), (38, 1704794), (52, 1245811), (58, 1116934), (68, 952679), (76, 852397), (91, 711892), (116, 558467), (119, 544388), (133, 487084), (182, 355946), (203, 319124), (221, 293132), (238, 272194), (247, 262276), (266, 243542), (323, 200564), (361, 179452), (364, 177973), (377, 171836), (406, 159562), (442, 146566), (476, 136097), (493, 131404), (494, 131138), (532, 121771), (551, 117572), (646, 100282), (722, 89726), (754, 85918), (812, 79781), (884, 73283), (986, 65702), (988, 65569), (1102, 58786), (1292, 50141), (1444, 44863), (1508, 42959), (1547, 41876), (1729, 37468), (1972, 32851), (2204, 29393), (2261, 28652), (2527, 25636), (2639, 24548), (3094, 20938), (3451, 18772), (3458, 18734), (3857, 16796), (4199, 15428), (4522, 14326), (4693, 13804), (5054, 12818), (5278, 12274), (6137, 10556), (6188, 10469), (6409, 10108), (6902, 9386), (6916, 9367), (7163, 9044), (7714, 8398)]