87492874

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 164229120

約数和(自身を除く): 76736246

約数列:

[1, 2, 7, 14, 23, 43, 46, 71, 86, 89, 142, 161, 178, 301, 322, 497, 602, 623, 989, 994, 1246, 1633, 1978, 2047, 3053, 3266, 3827, 4094, 6106, 6319, 6923, 7654, 11431, 12638, 13846, 14329, 21371, 22862, 26789, 28658, 42742, 44233, 53578, 70219, 88021, 88466, 140438, 145337, 176042, 271717, 290674, 491533, 543434, 616147, 983066, 1017359, 1232294, 1902019, 2034718, 3804038, 6249491, 12498982, 43746437, 87492874]

約数ペア:

[(1, 87492874), (2, 43746437), (7, 12498982), (14, 6249491), (23, 3804038), (43, 2034718), (46, 1902019), (71, 1232294), (86, 1017359), (89, 983066), (142, 616147), (161, 543434), (178, 491533), (301, 290674), (322, 271717), (497, 176042), (602, 145337), (623, 140438), (989, 88466), (994, 88021), (1246, 70219), (1633, 53578), (1978, 44233), (2047, 42742), (3053, 28658), (3266, 26789), (3827, 22862), (4094, 21371), (6106, 14329), (6319, 13846), (6923, 12638), (7654, 11431)]