28894954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1987}}^1$

素因数の和:2661

約数の個数: 16

約数和(自身を含む): 47378016

約数和(自身を除く): 18483062

約数列:

[1, 2, 11, 22, 661, 1322, 1987, 3974, 7271, 14542, 21857, 43714, 1313407, 2626814, 14447477, 28894954]

約数ペア:

[(1, 28894954), (2, 14447477), (11, 2626814), (22, 1313407), (661, 43714), (1322, 21857), (1987, 14542), (3974, 7271)]