163940491

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 199051776

約数和(自身を除く): 35111285

約数列:

[1, 11, 13, 67, 71, 143, 241, 737, 781, 871, 923, 2651, 3133, 4757, 9581, 10153, 16147, 17111, 34463, 52327, 61841, 177617, 188221, 209911, 222443, 680251, 1146437, 2309021, 2446873, 12610807, 14903681, 163940491]

約数ペア:

[(1, 163940491), (11, 14903681), (13, 12610807), (67, 2446873), (71, 2309021), (143, 1146437), (241, 680251), (737, 222443), (781, 209911), (871, 188221), (923, 177617), (2651, 61841), (3133, 52327), (4757, 34463), (9581, 17111), (10153, 16147)]