128312904

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 327680640

約数和(自身を除く): 199367736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 257, 284, 293, 426, 514, 568, 586, 771, 852, 879, 1028, 1172, 1542, 1704, 1758, 2056, 2344, 3084, 3516, 6168, 7032, 18247, 20803, 36494, 41606, 54741, 62409, 72988, 75301, 83212, 109482, 124818, 145976, 150602, 166424, 218964, 225903, 249636, 301204, 437928, 451806, 499272, 602408, 903612, 1807224, 5346371, 10692742, 16039113, 21385484, 32078226, 42770968, 64156452, 128312904]

約数ペア:

[(1, 128312904), (2, 64156452), (3, 42770968), (4, 32078226), (6, 21385484), (8, 16039113), (12, 10692742), (24, 5346371), (71, 1807224), (142, 903612), (213, 602408), (257, 499272), (284, 451806), (293, 437928), (426, 301204), (514, 249636), (568, 225903), (586, 218964), (771, 166424), (852, 150602), (879, 145976), (1028, 124818), (1172, 109482), (1542, 83212), (1704, 75301), (1758, 72988), (2056, 62409), (2344, 54741), (3084, 41606), (3516, 36494), (6168, 20803), (7032, 18247)]