257192838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{7369}}^1$

素因数の和:7661

約数の個数: 48

約数和(自身を含む): 639244320

約数和(自身を除く): 382051482

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 277, 554, 831, 1662, 1939, 2493, 3878, 4986, 5817, 7369, 11634, 14738, 17451, 22107, 34902, 44214, 51583, 66321, 103166, 132642, 154749, 309498, 464247, 928494, 2041213, 4082426, 6123639, 12247278, 14288491, 18370917, 28576982, 36741834, 42865473, 85730946, 128596419, 257192838]

約数ペア:

[(1, 257192838), (2, 128596419), (3, 85730946), (6, 42865473), (7, 36741834), (9, 28576982), (14, 18370917), (18, 14288491), (21, 12247278), (42, 6123639), (63, 4082426), (126, 2041213), (277, 928494), (554, 464247), (831, 309498), (1662, 154749), (1939, 132642), (2493, 103166), (3878, 66321), (4986, 51583), (5817, 44214), (7369, 34902), (11634, 22107), (14738, 17451)]