28284971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1423}}^1$

素因数の和:1586

約数の個数: 16

約数和(自身を含む): 33492480

約数和(自身を除く): 5207509

約数列:

[1, 11, 13, 139, 143, 1423, 1529, 1807, 15653, 18499, 19877, 197797, 203489, 2175767, 2571361, 28284971]

約数ペア:

[(1, 28284971), (11, 2571361), (13, 2175767), (139, 203489), (143, 197797), (1423, 19877), (1529, 18499), (1807, 15653)]