249744488

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2838

約数の個数: 64

約数和(自身を含む): 566507520

約数和(自身を除く): 316763032

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 71, 92, 142, 161, 184, 284, 322, 497, 568, 644, 994, 1288, 1633, 1988, 2731, 3266, 3976, 5462, 6532, 10924, 11431, 13064, 19117, 21848, 22862, 38234, 45724, 62813, 76468, 91448, 125626, 152936, 193901, 251252, 387802, 439691, 502504, 775604, 879382, 1357307, 1551208, 1758764, 2714614, 3517528, 4459723, 5429228, 8919446, 10858456, 17838892, 31218061, 35677784, 62436122, 124872244, 249744488]

約数ペア:

[(1, 249744488), (2, 124872244), (4, 62436122), (7, 35677784), (8, 31218061), (14, 17838892), (23, 10858456), (28, 8919446), (46, 5429228), (56, 4459723), (71, 3517528), (92, 2714614), (142, 1758764), (161, 1551208), (184, 1357307), (284, 879382), (322, 775604), (497, 502504), (568, 439691), (644, 387802), (994, 251252), (1288, 193901), (1633, 152936), (1988, 125626), (2731, 91448), (3266, 76468), (3976, 62813), (5462, 45724), (6532, 38234), (10924, 22862), (11431, 21848), (13064, 19117)]