210520178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{19489}}^1$

素因数の和:19993

約数の個数: 16

約数和(自身を含む): 345206880

約数和(自身を除く): 134686702

約数列:

[1, 2, 11, 22, 491, 982, 5401, 10802, 19489, 38978, 214379, 428758, 9569099, 19138198, 105260089, 210520178]

約数ペア:

[(1, 210520178), (2, 105260089), (11, 19138198), (22, 9569099), (491, 428758), (982, 214379), (5401, 38978), (10802, 19489)]