251819988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2997857}}^1$

素因数の和:2997871

約数の個数: 24

約数和(自身を含む): 671520192

約数和(自身を除く): 419700204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2997857, 5995714, 8993571, 11991428, 17987142, 20984999, 35974284, 41969998, 62954997, 83939996, 125909994, 251819988]

約数ペア:

[(1, 251819988), (2, 125909994), (3, 83939996), (4, 62954997), (6, 41969998), (7, 35974284), (12, 20984999), (14, 17987142), (21, 11991428), (28, 8993571), (42, 5995714), (84, 2997857)]