28089348

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 83349504

約数和(自身を除く): 55260156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 31, 42, 46, 49, 62, 67, 69, 84, 92, 93, 98, 124, 134, 138, 147, 161, 186, 196, 201, 217, 268, 276, 294, 322, 372, 402, 434, 469, 483, 588, 644, 651, 713, 804, 868, 938, 966, 1127, 1302, 1407, 1426, 1519, 1541, 1876, 1932, 2077, 2139, 2254, 2604, 2814, 2852, 3038, 3082, 3283, 3381, 4154, 4278, 4508, 4557, 4623, 4991, 5628, 6076, 6164, 6231, 6566, 6762, 8308, 8556, 9114, 9246, 9849, 9982, 10787, 12462, 13132, 13524, 14539, 14973, 18228, 18492, 19698, 19964, 21574, 24924, 29078, 29946, 32361, 34937, 39396, 43148, 43617, 47771, 58156, 59892, 64722, 69874, 75509, 87234, 95542, 101773, 104811, 129444, 139748, 143313, 151018, 174468, 191084, 203546, 209622, 226527, 286626, 302036, 305319, 334397, 407092, 419244, 453054, 573252, 610638, 668794, 906108, 1003191, 1221276, 1337588, 2006382, 2340779, 4012764, 4681558, 7022337, 9363116, 14044674, 28089348]

約数ペア:

[(1, 28089348), (2, 14044674), (3, 9363116), (4, 7022337), (6, 4681558), (7, 4012764), (12, 2340779), (14, 2006382), (21, 1337588), (23, 1221276), (28, 1003191), (31, 906108), (42, 668794), (46, 610638), (49, 573252), (62, 453054), (67, 419244), (69, 407092), (84, 334397), (92, 305319), (93, 302036), (98, 286626), (124, 226527), (134, 209622), (138, 203546), (147, 191084), (161, 174468), (186, 151018), (196, 143313), (201, 139748), (217, 129444), (268, 104811), (276, 101773), (294, 95542), (322, 87234), (372, 75509), (402, 69874), (434, 64722), (469, 59892), (483, 58156), (588, 47771), (644, 43617), (651, 43148), (713, 39396), (804, 34937), (868, 32361), (938, 29946), (966, 29078), (1127, 24924), (1302, 21574), (1407, 19964), (1426, 19698), (1519, 18492), (1541, 18228), (1876, 14973), (1932, 14539), (2077, 13524), (2139, 13132), (2254, 12462), (2604, 10787), (2814, 9982), (2852, 9849), (3038, 9246), (3082, 9114), (3283, 8556), (3381, 8308), (4154, 6762), (4278, 6566), (4508, 6231), (4557, 6164), (4623, 6076), (4991, 5628)]