531779456

素因数分解:

$2^7\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 1204089600

約数和(自身を除く): 672310144

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 61, 62, 64, 104, 122, 124, 128, 169, 208, 244, 248, 338, 403, 416, 488, 496, 676, 793, 806, 832, 976, 992, 1352, 1586, 1612, 1664, 1891, 1952, 1984, 2197, 2704, 3172, 3224, 3782, 3904, 3968, 4394, 5239, 5408, 6344, 6448, 7564, 7808, 8788, 10309, 10478, 10816, 12688, 12896, 15128, 17576, 20618, 20956, 21632, 24583, 25376, 25792, 30256, 35152, 41236, 41912, 49166, 50752, 51584, 60512, 68107, 70304, 82472, 83824, 98332, 101504, 121024, 134017, 136214, 140608, 164944, 167648, 196664, 242048, 268034, 272428, 281216, 319579, 329888, 335296, 393328, 536068, 544856, 639158, 659776, 670592, 786656, 1072136, 1089712, 1278316, 1319552, 1573312, 2144272, 2179424, 2556632, 3146624, 4154527, 4288544, 4358848, 5113264, 8309054, 8577088, 8717696, 10226528, 16618108, 17154176, 20453056, 33236216, 40906112, 66472432, 132944864, 265889728, 531779456]

約数ペア:

[(1, 531779456), (2, 265889728), (4, 132944864), (8, 66472432), (13, 40906112), (16, 33236216), (26, 20453056), (31, 17154176), (32, 16618108), (52, 10226528), (61, 8717696), (62, 8577088), (64, 8309054), (104, 5113264), (122, 4358848), (124, 4288544), (128, 4154527), (169, 3146624), (208, 2556632), (244, 2179424), (248, 2144272), (338, 1573312), (403, 1319552), (416, 1278316), (488, 1089712), (496, 1072136), (676, 786656), (793, 670592), (806, 659776), (832, 639158), (976, 544856), (992, 536068), (1352, 393328), (1586, 335296), (1612, 329888), (1664, 319579), (1891, 281216), (1952, 272428), (1984, 268034), (2197, 242048), (2704, 196664), (3172, 167648), (3224, 164944), (3782, 140608), (3904, 136214), (3968, 134017), (4394, 121024), (5239, 101504), (5408, 98332), (6344, 83824), (6448, 82472), (7564, 70304), (7808, 68107), (8788, 60512), (10309, 51584), (10478, 50752), (10816, 49166), (12688, 41912), (12896, 41236), (15128, 35152), (17576, 30256), (20618, 25792), (20956, 25376), (21632, 24583)]