261071993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{5303}}^1$

素因数の和:5864

約数の個数: 16

約数和(自身を含む): 321974016

約数和(自身を除く): 60902023

約数列:

[1, 7, 13, 91, 541, 3787, 5303, 7033, 37121, 49231, 68939, 482573, 2868923, 20082461, 37295999, 261071993]

約数ペア:

[(1, 261071993), (7, 37295999), (13, 20082461), (91, 2868923), (541, 482573), (3787, 68939), (5303, 49231), (7033, 37121)]