161235557

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{2129}}^1$

素因数の和:2516

約数の個数: 16

約数和(自身を含む): 190848000

約数和(自身を除く): 29612443

約数列:

[1, 7, 31, 217, 349, 2129, 2443, 10819, 14903, 65999, 75733, 461993, 743021, 5201147, 23033651, 161235557]

約数ペア:

[(1, 161235557), (7, 23033651), (31, 5201147), (217, 743021), (349, 461993), (2129, 75733), (2443, 65999), (10819, 14903)]