12887994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{306857}}^1$

素因数の和:306869

約数の個数: 16

約数和(自身を含む): 29458368

約数和(自身を除く): 16570374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 306857, 613714, 920571, 1841142, 2147999, 4295998, 6443997, 12887994]

約数ペア:

[(1, 12887994), (2, 6443997), (3, 4295998), (6, 2147999), (7, 1841142), (14, 920571), (21, 613714), (42, 306857)]