217405552

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 536121936

約数和(自身を除く): 318716384

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 83, 91, 98, 104, 112, 166, 182, 196, 208, 257, 332, 364, 392, 514, 581, 637, 664, 728, 784, 1028, 1079, 1162, 1274, 1328, 1456, 1799, 2056, 2158, 2324, 2548, 3341, 3598, 4067, 4112, 4316, 4648, 5096, 6682, 7196, 7553, 8134, 8632, 9296, 10192, 12593, 13364, 14392, 15106, 16268, 17264, 21331, 23387, 25186, 26728, 28784, 30212, 32536, 42662, 46774, 50372, 52871, 53456, 60424, 65072, 85324, 93548, 100744, 105742, 120848, 149317, 163709, 170648, 187096, 201488, 211484, 277303, 298634, 327418, 341296, 374192, 422968, 554606, 597268, 654836, 845936, 1045219, 1109212, 1194536, 1309672, 1941121, 2090438, 2218424, 2389072, 2619344, 3882242, 4180876, 4436848, 7764484, 8361752, 13587847, 15528968, 16723504, 27175694, 31057936, 54351388, 108702776, 217405552]

約数ペア:

[(1, 217405552), (2, 108702776), (4, 54351388), (7, 31057936), (8, 27175694), (13, 16723504), (14, 15528968), (16, 13587847), (26, 8361752), (28, 7764484), (49, 4436848), (52, 4180876), (56, 3882242), (83, 2619344), (91, 2389072), (98, 2218424), (104, 2090438), (112, 1941121), (166, 1309672), (182, 1194536), (196, 1109212), (208, 1045219), (257, 845936), (332, 654836), (364, 597268), (392, 554606), (514, 422968), (581, 374192), (637, 341296), (664, 327418), (728, 298634), (784, 277303), (1028, 211484), (1079, 201488), (1162, 187096), (1274, 170648), (1328, 163709), (1456, 149317), (1799, 120848), (2056, 105742), (2158, 100744), (2324, 93548), (2548, 85324), (3341, 65072), (3598, 60424), (4067, 53456), (4112, 52871), (4316, 50372), (4648, 46774), (5096, 42662), (6682, 32536), (7196, 30212), (7553, 28784), (8134, 26728), (8632, 25186), (9296, 23387), (10192, 21331), (12593, 17264), (13364, 16268), (14392, 15106)]