27908538

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 66355200

約数和(自身を除く): 38446662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 142, 147, 191, 213, 294, 343, 382, 426, 497, 573, 686, 994, 1029, 1146, 1337, 1491, 2058, 2674, 2982, 3479, 4011, 6958, 8022, 9359, 10437, 13561, 18718, 20874, 24353, 27122, 28077, 40683, 48706, 56154, 65513, 73059, 81366, 94927, 131026, 146118, 189854, 196539, 284781, 393078, 569562, 664489, 1328978, 1993467, 3986934, 4651423, 9302846, 13954269, 27908538]

約数ペア:

[(1, 27908538), (2, 13954269), (3, 9302846), (6, 4651423), (7, 3986934), (14, 1993467), (21, 1328978), (42, 664489), (49, 569562), (71, 393078), (98, 284781), (142, 196539), (147, 189854), (191, 146118), (213, 131026), (294, 94927), (343, 81366), (382, 73059), (426, 65513), (497, 56154), (573, 48706), (686, 40683), (994, 28077), (1029, 27122), (1146, 24353), (1337, 20874), (1491, 18718), (2058, 13561), (2674, 10437), (2982, 9359), (3479, 8022), (4011, 6958)]