208797865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{18973}}^1$

素因数の和:19080

約数の個数: 16

約数和(自身を含む): 262296576

約数和(自身を除く): 53498711

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 18973, 94865, 588163, 1347083, 2940815, 6735415, 41759573, 208797865]

約数ペア:

[(1, 208797865), (5, 41759573), (31, 6735415), (71, 2940815), (155, 1347083), (355, 588163), (2201, 94865), (11005, 18973)]