168221573

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 199180800

約数和(自身を除く): 30959227

約数列:

[1, 13, 19, 37, 79, 233, 247, 481, 703, 1027, 1501, 2923, 3029, 4427, 8621, 9139, 18407, 19513, 37999, 55537, 57551, 112073, 163799, 239291, 349733, 681059, 721981, 2129387, 4546529, 8853767, 12940121, 168221573]

約数ペア:

[(1, 168221573), (13, 12940121), (19, 8853767), (37, 4546529), (79, 2129387), (233, 721981), (247, 681059), (481, 349733), (703, 239291), (1027, 163799), (1501, 112073), (2923, 57551), (3029, 55537), (4427, 37999), (8621, 19513), (9139, 18407)]