2128131490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4949143}}^1$

素因数の和:4949193

約数の個数: 16

約数和(自身を含む): 3919722048

約数和(自身を除く): 1791590558

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 4949143, 9898286, 24745715, 49491430, 212813149, 425626298, 1064065745, 2128131490]

約数ペア:

[(1, 2128131490), (2, 1064065745), (5, 425626298), (10, 212813149), (43, 49491430), (86, 24745715), (215, 9898286), (430, 4949143)]