131831238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4019}}^1$

素因数の和:4113

約数の個数: 64

約数和(自身を含む): 333434880

約数和(自身を除く): 201603642

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 213, 231, 426, 462, 497, 781, 994, 1491, 1562, 2343, 2982, 4019, 4686, 5467, 8038, 10934, 12057, 16401, 24114, 28133, 32802, 44209, 56266, 84399, 88418, 132627, 168798, 265254, 285349, 309463, 570698, 618926, 856047, 928389, 1712094, 1856778, 1997443, 3138839, 3994886, 5992329, 6277678, 9416517, 11984658, 18833034, 21971873, 43943746, 65915619, 131831238]

約数ペア:

[(1, 131831238), (2, 65915619), (3, 43943746), (6, 21971873), (7, 18833034), (11, 11984658), (14, 9416517), (21, 6277678), (22, 5992329), (33, 3994886), (42, 3138839), (66, 1997443), (71, 1856778), (77, 1712094), (142, 928389), (154, 856047), (213, 618926), (231, 570698), (426, 309463), (462, 285349), (497, 265254), (781, 168798), (994, 132627), (1491, 88418), (1562, 84399), (2343, 56266), (2982, 44209), (4019, 32802), (4686, 28133), (5467, 24114), (8038, 16401), (10934, 12057)]