257601982

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1064471}}^1$

素因数の和:1064495

約数の個数: 12

約数和(自身を含む): 424724328

約数和(自身を除く): 167122346

約数列:

[1, 2, 11, 22, 121, 242, 1064471, 2128942, 11709181, 23418362, 128800991, 257601982]

約数ペア:

[(1, 257601982), (2, 128800991), (11, 23418362), (22, 11709181), (121, 2128942), (242, 1064471)]