6461994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 16422912

約数和(自身を除く): 9960918

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 197, 213, 231, 394, 426, 462, 497, 591, 781, 994, 1182, 1379, 1491, 1562, 2167, 2343, 2758, 2982, 4137, 4334, 4686, 5467, 6501, 8274, 10934, 13002, 13987, 15169, 16401, 27974, 30338, 32802, 41961, 45507, 83922, 91014, 97909, 153857, 195818, 293727, 307714, 461571, 587454, 923142, 1076999, 2153998, 3230997, 6461994]

約数ペア:

[(1, 6461994), (2, 3230997), (3, 2153998), (6, 1076999), (7, 923142), (11, 587454), (14, 461571), (21, 307714), (22, 293727), (33, 195818), (42, 153857), (66, 97909), (71, 91014), (77, 83922), (142, 45507), (154, 41961), (197, 32802), (213, 30338), (231, 27974), (394, 16401), (426, 15169), (462, 13987), (497, 13002), (591, 10934), (781, 8274), (994, 6501), (1182, 5467), (1379, 4686), (1491, 4334), (1562, 4137), (2167, 2982), (2343, 2758)]