231457408

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:706

約数の個数: 128

約数和(自身を含む): 586736640

約数和(自身を除く): 355279232

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 641, 728, 806, 832, 868, 896, 992, 1282, 1456, 1612, 1664, 1736, 1984, 2564, 2821, 2912, 3224, 3472, 3968, 4487, 5128, 5642, 5824, 6448, 6944, 8333, 8974, 10256, 11284, 11648, 12896, 13888, 16666, 17948, 19871, 20512, 22568, 25792, 27776, 33332, 35896, 39742, 41024, 45136, 51584, 58331, 66664, 71792, 79484, 82048, 90272, 116662, 133328, 139097, 143584, 158968, 180544, 233324, 258323, 266656, 278194, 287168, 317936, 361088, 466648, 516646, 533312, 556388, 574336, 635872, 933296, 1033292, 1066624, 1112776, 1271744, 1808261, 1866592, 2066584, 2225552, 2543488, 3616522, 3733184, 4133168, 4451104, 7233044, 7466368, 8266336, 8902208, 14466088, 16532672, 17804416, 28932176, 33065344, 57864352, 115728704, 231457408]

約数ペア:

[(1, 231457408), (2, 115728704), (4, 57864352), (7, 33065344), (8, 28932176), (13, 17804416), (14, 16532672), (16, 14466088), (26, 8902208), (28, 8266336), (31, 7466368), (32, 7233044), (52, 4451104), (56, 4133168), (62, 3733184), (64, 3616522), (91, 2543488), (104, 2225552), (112, 2066584), (124, 1866592), (128, 1808261), (182, 1271744), (208, 1112776), (217, 1066624), (224, 1033292), (248, 933296), (364, 635872), (403, 574336), (416, 556388), (434, 533312), (448, 516646), (496, 466648), (641, 361088), (728, 317936), (806, 287168), (832, 278194), (868, 266656), (896, 258323), (992, 233324), (1282, 180544), (1456, 158968), (1612, 143584), (1664, 139097), (1736, 133328), (1984, 116662), (2564, 90272), (2821, 82048), (2912, 79484), (3224, 71792), (3472, 66664), (3968, 58331), (4487, 51584), (5128, 45136), (5642, 41024), (5824, 39742), (6448, 35896), (6944, 33332), (8333, 27776), (8974, 25792), (10256, 22568), (11284, 20512), (11648, 19871), (12896, 17948), (13888, 16666)]