87915016

素因数分解:

$2^3\times 7^4\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 201672000

約数和(自身を除く): 113756984

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 199, 322, 343, 392, 398, 644, 686, 796, 1127, 1288, 1372, 1393, 1592, 2254, 2401, 2744, 2786, 4508, 4577, 4802, 5572, 7889, 9016, 9154, 9604, 9751, 11144, 15778, 18308, 19208, 19502, 31556, 32039, 36616, 39004, 55223, 63112, 64078, 68257, 78008, 110446, 128156, 136514, 220892, 224273, 256312, 273028, 441784, 448546, 477799, 546056, 897092, 955598, 1569911, 1794184, 1911196, 3139822, 3822392, 6279644, 10989377, 12559288, 21978754, 43957508, 87915016]

約数ペア:

[(1, 87915016), (2, 43957508), (4, 21978754), (7, 12559288), (8, 10989377), (14, 6279644), (23, 3822392), (28, 3139822), (46, 1911196), (49, 1794184), (56, 1569911), (92, 955598), (98, 897092), (161, 546056), (184, 477799), (196, 448546), (199, 441784), (322, 273028), (343, 256312), (392, 224273), (398, 220892), (644, 136514), (686, 128156), (796, 110446), (1127, 78008), (1288, 68257), (1372, 64078), (1393, 63112), (1592, 55223), (2254, 39004), (2401, 36616), (2744, 32039), (2786, 31556), (4508, 19502), (4577, 19208), (4802, 18308), (5572, 15778), (7889, 11144), (9016, 9751), (9154, 9604)]