1678937

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 16

約数和(自身を含む): 1959552

約数和(自身を除く): 280615

約数列:

[1, 13, 17, 71, 107, 221, 923, 1207, 1391, 1819, 7597, 15691, 23647, 98761, 129149, 1678937]

約数ペア:

[(1, 1678937), (13, 129149), (17, 98761), (71, 23647), (107, 15691), (221, 7597), (923, 1819), (1207, 1391)]