219134416

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{28123}}^1$

素因数の和:28618

約数の個数: 20

約数和(自身を含む): 425459872

約数和(自身を除く): 206325456

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 3896, 7792, 28123, 56246, 112492, 224984, 449968, 13695901, 27391802, 54783604, 109567208, 219134416]

約数ペア:

[(1, 219134416), (2, 109567208), (4, 54783604), (8, 27391802), (16, 13695901), (487, 449968), (974, 224984), (1948, 112492), (3896, 56246), (7792, 28123)]