28187666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63773}}^1$

素因数の和:63805

約数の個数: 16

約数和(自身を含む): 48213144

約数和(自身を除く): 20025478

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 63773, 127546, 829049, 1084141, 1658098, 2168282, 14093833, 28187666]

約数ペア:

[(1, 28187666), (2, 14093833), (13, 2168282), (17, 1658098), (26, 1084141), (34, 829049), (221, 127546), (442, 63773)]