217889168

素因数分解:

$2^4\times 7^1\times {\mathrm{1945439}}^1$

素因数の和:1945454

約数の個数: 20

約数和(自身を含む): 482469120

約数和(自身を除く): 264579952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1945439, 3890878, 7781756, 13618073, 15563512, 27236146, 31127024, 54472292, 108944584, 217889168]

約数ペア:

[(1, 217889168), (2, 108944584), (4, 54472292), (7, 31127024), (8, 27236146), (14, 15563512), (16, 13618073), (28, 7781756), (56, 3890878), (112, 1945439)]