161491057

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{2503}}^1$

素因数の和:3232

約数の個数: 16

約数和(自身を含む): 199118080

約数和(自身を除く): 37627023

約数列:

[1, 7, 13, 91, 709, 2503, 4963, 9217, 17521, 32539, 64519, 227773, 1774627, 12422389, 23070151, 161491057]

約数ペア:

[(1, 161491057), (7, 23070151), (13, 12422389), (91, 1774627), (709, 227773), (2503, 64519), (4963, 32539), (9217, 17521)]