28565856

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 90574848

約数和(自身を除く): 62008992

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 71, 72, 88, 96, 99, 127, 132, 142, 144, 176, 198, 213, 254, 264, 284, 288, 352, 381, 396, 426, 508, 528, 568, 639, 762, 781, 792, 852, 1016, 1056, 1136, 1143, 1278, 1397, 1524, 1562, 1584, 1704, 2032, 2272, 2286, 2343, 2556, 2794, 3048, 3124, 3168, 3408, 4064, 4191, 4572, 4686, 5112, 5588, 6096, 6248, 6816, 7029, 8382, 9017, 9144, 9372, 10224, 11176, 12192, 12496, 12573, 14058, 16764, 18034, 18288, 18744, 20448, 22352, 24992, 25146, 27051, 28116, 33528, 36068, 36576, 37488, 44704, 50292, 54102, 56232, 67056, 72136, 74976, 81153, 99187, 100584, 108204, 112464, 134112, 144272, 162306, 198374, 201168, 216408, 224928, 288544, 297561, 324612, 396748, 402336, 432816, 595122, 649224, 793496, 865632, 892683, 1190244, 1298448, 1586992, 1785366, 2380488, 2596896, 3173984, 3570732, 4760976, 7141464, 9521952, 14282928, 28565856]

約数ペア:

[(1, 28565856), (2, 14282928), (3, 9521952), (4, 7141464), (6, 4760976), (8, 3570732), (9, 3173984), (11, 2596896), (12, 2380488), (16, 1785366), (18, 1586992), (22, 1298448), (24, 1190244), (32, 892683), (33, 865632), (36, 793496), (44, 649224), (48, 595122), (66, 432816), (71, 402336), (72, 396748), (88, 324612), (96, 297561), (99, 288544), (127, 224928), (132, 216408), (142, 201168), (144, 198374), (176, 162306), (198, 144272), (213, 134112), (254, 112464), (264, 108204), (284, 100584), (288, 99187), (352, 81153), (381, 74976), (396, 72136), (426, 67056), (508, 56232), (528, 54102), (568, 50292), (639, 44704), (762, 37488), (781, 36576), (792, 36068), (852, 33528), (1016, 28116), (1056, 27051), (1136, 25146), (1143, 24992), (1278, 22352), (1397, 20448), (1524, 18744), (1562, 18288), (1584, 18034), (1704, 16764), (2032, 14058), (2272, 12573), (2286, 12496), (2343, 12192), (2556, 11176), (2794, 10224), (3048, 9372), (3124, 9144), (3168, 9017), (3408, 8382), (4064, 7029), (4191, 6816), (4572, 6248), (4686, 6096), (5112, 5588)]