128187787

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{2467}}^1$

素因数の和:3058

約数の個数: 16

約数和(自身を含む): 158109952

約数和(自身を除く): 29922165

約数列:

[1, 7, 13, 91, 571, 2467, 3997, 7423, 17269, 32071, 51961, 224497, 1408657, 9860599, 18312541, 128187787]

約数ペア:

[(1, 128187787), (7, 18312541), (13, 9860599), (91, 1408657), (571, 224497), (2467, 51961), (3997, 32071), (7423, 17269)]