87790356

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 233076480

約数和(自身を除く): 145286124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 229, 276, 414, 458, 463, 687, 828, 916, 926, 1374, 1389, 1852, 2061, 2748, 2778, 4122, 4167, 5267, 5556, 8244, 8334, 10534, 10649, 15801, 16668, 21068, 21298, 31602, 31947, 42596, 47403, 63204, 63894, 94806, 95841, 106027, 127788, 189612, 191682, 212054, 318081, 383364, 424108, 636162, 954243, 1272324, 1908486, 2438621, 3816972, 4877242, 7315863, 9754484, 14631726, 21947589, 29263452, 43895178, 87790356]

約数ペア:

[(1, 87790356), (2, 43895178), (3, 29263452), (4, 21947589), (6, 14631726), (9, 9754484), (12, 7315863), (18, 4877242), (23, 3816972), (36, 2438621), (46, 1908486), (69, 1272324), (92, 954243), (138, 636162), (207, 424108), (229, 383364), (276, 318081), (414, 212054), (458, 191682), (463, 189612), (687, 127788), (828, 106027), (916, 95841), (926, 94806), (1374, 63894), (1389, 63204), (1852, 47403), (2061, 42596), (2748, 31947), (2778, 31602), (4122, 21298), (4167, 21068), (5267, 16668), (5556, 15801), (8244, 10649), (8334, 10534)]