28702130

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{42839}}^1$

素因数の和:42913

約数の個数: 16

約数和(自身を含む): 52436160

約数和(自身を除く): 23734030

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 42839, 85678, 214195, 428390, 2870213, 5740426, 14351065, 28702130]

約数ペア:

[(1, 28702130), (2, 14351065), (5, 5740426), (10, 2870213), (67, 428390), (134, 214195), (335, 85678), (670, 42839)]