128897986

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{22511}}^1$

素因数の和:22929

約数の個数: 16

約数和(自身を含む): 221518080

約数和(自身を除く): 92620094

約数列:

[1, 2, 7, 14, 409, 818, 2863, 5726, 22511, 45022, 157577, 315154, 9206999, 18413998, 64448993, 128897986]

約数ペア:

[(1, 128897986), (2, 64448993), (7, 18413998), (14, 9206999), (409, 315154), (818, 157577), (2863, 45022), (5726, 22511)]