28910784

素因数分解:

$2^6\times 3^1\times 7^3\times {\mathrm{439}}^1$

素因数の和:475

約数の個数: 112

約数和(自身を含む): 89408000

約数和(自身を除く): 60497216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 147, 168, 192, 196, 224, 294, 336, 343, 392, 439, 448, 588, 672, 686, 784, 878, 1029, 1176, 1317, 1344, 1372, 1568, 1756, 2058, 2352, 2634, 2744, 3073, 3136, 3512, 4116, 4704, 5268, 5488, 6146, 7024, 8232, 9219, 9408, 10536, 10976, 12292, 14048, 16464, 18438, 21072, 21511, 21952, 24584, 28096, 32928, 36876, 42144, 43022, 49168, 64533, 65856, 73752, 84288, 86044, 98336, 129066, 147504, 150577, 172088, 196672, 258132, 295008, 301154, 344176, 451731, 516264, 590016, 602308, 688352, 903462, 1032528, 1204616, 1376704, 1806924, 2065056, 2409232, 3613848, 4130112, 4818464, 7227696, 9636928, 14455392, 28910784]

約数ペア:

[(1, 28910784), (2, 14455392), (3, 9636928), (4, 7227696), (6, 4818464), (7, 4130112), (8, 3613848), (12, 2409232), (14, 2065056), (16, 1806924), (21, 1376704), (24, 1204616), (28, 1032528), (32, 903462), (42, 688352), (48, 602308), (49, 590016), (56, 516264), (64, 451731), (84, 344176), (96, 301154), (98, 295008), (112, 258132), (147, 196672), (168, 172088), (192, 150577), (196, 147504), (224, 129066), (294, 98336), (336, 86044), (343, 84288), (392, 73752), (439, 65856), (448, 64533), (588, 49168), (672, 43022), (686, 42144), (784, 36876), (878, 32928), (1029, 28096), (1176, 24584), (1317, 21952), (1344, 21511), (1372, 21072), (1568, 18438), (1756, 16464), (2058, 14048), (2352, 12292), (2634, 10976), (2744, 10536), (3073, 9408), (3136, 9219), (3512, 8232), (4116, 7024), (4704, 6146), (5268, 5488)]