28172858

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{105913}}^1$

素因数の和:105941

約数の個数: 16

約数和(自身を含む): 50838720

約数和(自身を除く): 22665862

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 105913, 211826, 741391, 1482782, 2012347, 4024694, 14086429, 28172858]

約数ペア:

[(1, 28172858), (2, 14086429), (7, 4024694), (14, 2012347), (19, 1482782), (38, 741391), (133, 211826), (266, 105913)]