28671986

素因数分解:

$2^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{2441}}^1$

素因数の和:3289

約数の個数: 16

約数和(自身を含む): 49230720

約数和(自身を除く): 20558734

約数列:

[1, 2, 7, 14, 839, 1678, 2441, 4882, 5873, 11746, 17087, 34174, 2047999, 4095998, 14335993, 28671986]

約数ペア:

[(1, 28671986), (2, 14335993), (7, 4095998), (14, 2047999), (839, 34174), (1678, 17087), (2441, 11746), (4882, 5873)]