28937968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{42061}}^1$

素因数の和:42112

約数の個数: 20

約数和(自身を含む): 57372568

約数和(自身を除く): 28434600

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 42061, 84122, 168244, 336488, 672976, 1808623, 3617246, 7234492, 14468984, 28937968]

約数ペア:

[(1, 28937968), (2, 14468984), (4, 7234492), (8, 3617246), (16, 1808623), (43, 672976), (86, 336488), (172, 168244), (344, 84122), (688, 42061)]