28387654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{19417}}^1$

素因数の和:19479

約数の個数: 16

約数和(自身を含む): 46137168

約数和(自身を除く): 17749514

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 19417, 38834, 330089, 660178, 834931, 1669862, 14193827, 28387654]

約数ペア:

[(1, 28387654), (2, 14193827), (17, 1669862), (34, 834931), (43, 660178), (86, 330089), (731, 38834), (1462, 19417)]