26978651

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2857}}^1$

素因数の和:2954

約数の個数: 16

約数和(自身を含む): 32924160

約数和(自身を除く): 5945509

約数列:

[1, 7, 19, 71, 133, 497, 1349, 2857, 9443, 19999, 54283, 202847, 379981, 1419929, 3854093, 26978651]

約数ペア:

[(1, 26978651), (7, 3854093), (19, 1419929), (71, 379981), (133, 202847), (497, 54283), (1349, 19999), (2857, 9443)]