257160384

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:655

約数の個数: 168

約数和(自身を含む): 808250352

約数和(自身を除く): 551089968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 61, 64, 72, 78, 96, 104, 117, 122, 144, 156, 183, 192, 208, 234, 244, 288, 312, 366, 416, 468, 488, 549, 563, 576, 624, 732, 793, 832, 936, 976, 1098, 1126, 1248, 1464, 1586, 1689, 1872, 1952, 2196, 2252, 2379, 2496, 2928, 3172, 3378, 3744, 3904, 4392, 4504, 4758, 5067, 5856, 6344, 6756, 7137, 7319, 7488, 8784, 9008, 9516, 10134, 11712, 12688, 13512, 14274, 14638, 17568, 18016, 19032, 20268, 21957, 25376, 27024, 28548, 29276, 34343, 35136, 36032, 38064, 40536, 43914, 50752, 54048, 57096, 58552, 65871, 68686, 76128, 81072, 87828, 103029, 108096, 114192, 117104, 131742, 137372, 152256, 162144, 175656, 206058, 228384, 234208, 263484, 274744, 309087, 324288, 351312, 412116, 446459, 456768, 468416, 526968, 549488, 618174, 702624, 824232, 892918, 1053936, 1098976, 1236348, 1339377, 1405248, 1648464, 1785836, 2107872, 2197952, 2472696, 2678754, 3296928, 3571672, 4018131, 4215744, 4945392, 5357508, 6593856, 7143344, 8036262, 9890784, 10715016, 14286688, 16072524, 19781568, 21430032, 28573376, 32145048, 42860064, 64290096, 85720128, 128580192, 257160384]

約数ペア:

[(1, 257160384), (2, 128580192), (3, 85720128), (4, 64290096), (6, 42860064), (8, 32145048), (9, 28573376), (12, 21430032), (13, 19781568), (16, 16072524), (18, 14286688), (24, 10715016), (26, 9890784), (32, 8036262), (36, 7143344), (39, 6593856), (48, 5357508), (52, 4945392), (61, 4215744), (64, 4018131), (72, 3571672), (78, 3296928), (96, 2678754), (104, 2472696), (117, 2197952), (122, 2107872), (144, 1785836), (156, 1648464), (183, 1405248), (192, 1339377), (208, 1236348), (234, 1098976), (244, 1053936), (288, 892918), (312, 824232), (366, 702624), (416, 618174), (468, 549488), (488, 526968), (549, 468416), (563, 456768), (576, 446459), (624, 412116), (732, 351312), (793, 324288), (832, 309087), (936, 274744), (976, 263484), (1098, 234208), (1126, 228384), (1248, 206058), (1464, 175656), (1586, 162144), (1689, 152256), (1872, 137372), (1952, 131742), (2196, 117104), (2252, 114192), (2379, 108096), (2496, 103029), (2928, 87828), (3172, 81072), (3378, 76128), (3744, 68686), (3904, 65871), (4392, 58552), (4504, 57096), (4758, 54048), (5067, 50752), (5856, 43914), (6344, 40536), (6756, 38064), (7137, 36032), (7319, 35136), (7488, 34343), (8784, 29276), (9008, 28548), (9516, 27024), (10134, 25376), (11712, 21957), (12688, 20268), (13512, 19032), (14274, 18016), (14638, 17568)]