208045123

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 256241664

約数和(自身を除く): 48196541

約数列:

[1, 11, 13, 31, 71, 143, 341, 403, 661, 781, 923, 2201, 4433, 7271, 8593, 10153, 20491, 24211, 28613, 46931, 94523, 225401, 266383, 314743, 516241, 610103, 1454861, 2930213, 6711133, 16003471, 18913193, 208045123]

約数ペア:

[(1, 208045123), (11, 18913193), (13, 16003471), (31, 6711133), (71, 2930213), (143, 1454861), (341, 610103), (403, 516241), (661, 314743), (781, 266383), (923, 225401), (2201, 94523), (4433, 46931), (7271, 28613), (8593, 24211), (10153, 20491)]