428611456

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1252

約数の個数: 128

約数和(自身を含む): 1085736960

約数和(自身を除く): 657125504

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, 728, 806, 832, 868, 896, 992, 1187, 1456, 1612, 1664, 1736, 1984, 2374, 2821, 2912, 3224, 3472, 3968, 4748, 5642, 5824, 6448, 6944, 8309, 9496, 11284, 11648, 12896, 13888, 15431, 16618, 18992, 22568, 25792, 27776, 30862, 33236, 36797, 37984, 45136, 51584, 61724, 66472, 73594, 75968, 90272, 108017, 123448, 132944, 147188, 151936, 180544, 216034, 246896, 257579, 265888, 294376, 361088, 432068, 478361, 493792, 515158, 531776, 588752, 864136, 956722, 987584, 1030316, 1063552, 1177504, 1728272, 1913444, 1975168, 2060632, 2355008, 3348527, 3456544, 3826888, 4121264, 4710016, 6697054, 6913088, 7653776, 8242528, 13394108, 13826176, 15307552, 16485056, 26788216, 30615104, 32970112, 53576432, 61230208, 107152864, 214305728, 428611456]

約数ペア:

[(1, 428611456), (2, 214305728), (4, 107152864), (7, 61230208), (8, 53576432), (13, 32970112), (14, 30615104), (16, 26788216), (26, 16485056), (28, 15307552), (31, 13826176), (32, 13394108), (52, 8242528), (56, 7653776), (62, 6913088), (64, 6697054), (91, 4710016), (104, 4121264), (112, 3826888), (124, 3456544), (128, 3348527), (182, 2355008), (208, 2060632), (217, 1975168), (224, 1913444), (248, 1728272), (364, 1177504), (403, 1063552), (416, 1030316), (434, 987584), (448, 956722), (496, 864136), (728, 588752), (806, 531776), (832, 515158), (868, 493792), (896, 478361), (992, 432068), (1187, 361088), (1456, 294376), (1612, 265888), (1664, 257579), (1736, 246896), (1984, 216034), (2374, 180544), (2821, 151936), (2912, 147188), (3224, 132944), (3472, 123448), (3968, 108017), (4748, 90272), (5642, 75968), (5824, 73594), (6448, 66472), (6944, 61724), (8309, 51584), (9496, 45136), (11284, 37984), (11648, 36797), (12896, 33236), (13888, 30862), (15431, 27776), (16618, 25792), (18992, 22568)]