197980986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{7331}}^1$

素因数の和:7986

約数の個数: 32

約数和(自身を含む): 453293568

約数和(自身を除く): 255312582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 643, 1286, 1929, 3858, 4501, 7331, 9002, 13503, 14662, 21993, 27006, 43986, 51317, 102634, 153951, 307902, 4713833, 9427666, 14141499, 28282998, 32996831, 65993662, 98990493, 197980986]

約数ペア:

[(1, 197980986), (2, 98990493), (3, 65993662), (6, 32996831), (7, 28282998), (14, 14141499), (21, 9427666), (42, 4713833), (643, 307902), (1286, 153951), (1929, 102634), (3858, 51317), (4501, 43986), (7331, 27006), (9002, 21993), (13503, 14662)]