684388

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 1286208

約数和(自身を除く): 601820

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 173, 346, 692, 989, 1978, 3956, 3979, 7439, 7958, 14878, 15916, 29756, 171097, 342194, 684388]

約数ペア:

[(1, 684388), (2, 342194), (4, 171097), (23, 29756), (43, 15916), (46, 14878), (86, 7958), (92, 7439), (172, 3979), (173, 3956), (346, 1978), (692, 989)]