217985488

素因数分解:

$2^4\times 7^1\times {\mathrm{1946299}}^1$

素因数の和:1946314

約数の個数: 20

約数和(自身を含む): 482682400

約数和(自身を除く): 264696912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1946299, 3892598, 7785196, 13624093, 15570392, 27248186, 31140784, 54496372, 108992744, 217985488]

約数ペア:

[(1, 217985488), (2, 108992744), (4, 54496372), (7, 31140784), (8, 27248186), (14, 15570392), (16, 13624093), (28, 7785196), (56, 3892598), (112, 1946299)]