131485319

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{19919}}^1$

素因数の和:19990

約数の個数: 16

約数和(自身を含む): 160634880

約数和(自身を除く): 29149561

約数列:

[1, 7, 23, 41, 161, 287, 943, 6601, 19919, 139433, 458137, 816679, 3206959, 5716753, 18783617, 131485319]

約数ペア:

[(1, 131485319), (7, 18783617), (23, 5716753), (41, 3206959), (161, 816679), (287, 458137), (943, 139433), (6601, 19919)]