28263728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{41081}}^1$

素因数の和:41132

約数の個数: 20

約数和(自身を含む): 56035848

約数和(自身を除く): 27772120

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 41081, 82162, 164324, 328648, 657296, 1766483, 3532966, 7065932, 14131864, 28263728]

約数ペア:

[(1, 28263728), (2, 14131864), (4, 7065932), (8, 3532966), (16, 1766483), (43, 657296), (86, 328648), (172, 164324), (344, 82162), (688, 41081)]