211314128

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{30643}}^1$

素因数の和:31082

約数の個数: 20

約数和(自身を含む): 410384448

約数和(自身を除く): 199070320

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 30643, 61286, 122572, 245144, 490288, 13207133, 26414266, 52828532, 105657064, 211314128]

約数ペア:

[(1, 211314128), (2, 105657064), (4, 52828532), (8, 26414266), (16, 13207133), (431, 490288), (862, 245144), (1724, 122572), (3448, 61286), (6896, 30643)]