205841398

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{639259}}^1$

素因数の和:639291

約数の個数: 16

約数和(自身を含む): 368213760

約数和(自身を除く): 162372362

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 639259, 1278518, 4474813, 8949626, 14702957, 29405914, 102920699, 205841398]

約数ペア:

[(1, 205841398), (2, 102920699), (7, 29405914), (14, 14702957), (23, 8949626), (46, 4474813), (161, 1278518), (322, 639259)]