71891988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{855857}}^1$

素因数の和:855871

約数の個数: 24

約数和(自身を含む): 191712192

約数和(自身を除く): 119820204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 855857, 1711714, 2567571, 3423428, 5135142, 5990999, 10270284, 11981998, 17972997, 23963996, 35945994, 71891988]

約数ペア:

[(1, 71891988), (2, 35945994), (3, 23963996), (4, 17972997), (6, 11981998), (7, 10270284), (12, 5990999), (14, 5135142), (21, 3423428), (28, 2567571), (42, 1711714), (84, 855857)]