16990676

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 30654624

約数和(自身を除く): 13663948

約数列:

[1, 2, 4, 43, 86, 172, 173, 346, 571, 692, 1142, 2284, 7439, 14878, 24553, 29756, 49106, 98212, 98783, 197566, 395132, 4247669, 8495338, 16990676]

約数ペア:

[(1, 16990676), (2, 8495338), (4, 4247669), (43, 395132), (86, 197566), (172, 98783), (173, 98212), (346, 49106), (571, 29756), (692, 24553), (1142, 14878), (2284, 7439)]