221519503

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{823}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 239210496

約数和(自身を除く): 17690993

約数列:

[1, 17, 71, 223, 823, 1207, 3791, 13991, 15833, 58433, 183529, 269161, 993361, 3119993, 13030559, 221519503]

約数ペア:

[(1, 221519503), (17, 13030559), (71, 3119993), (223, 993361), (823, 269161), (1207, 183529), (3791, 58433), (13991, 15833)]