28689254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18367}}^1$

素因数の和:18451

約数の個数: 16

約数和(自身を含む): 47609856

約数和(自身を除く): 18920602

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 18367, 36734, 202037, 404074, 1304057, 2608114, 14344627, 28689254]

約数ペア:

[(1, 28689254), (2, 14344627), (11, 2608114), (22, 1304057), (71, 404074), (142, 202037), (781, 36734), (1562, 18367)]