221779504

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{99721}}^1$

素因数の和:99868

約数の個数: 20

約数和(自身を含む): 432793480

約数和(自身を除く): 211013976

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 99721, 199442, 398884, 797768, 1595536, 13861219, 27722438, 55444876, 110889752, 221779504]

約数ペア:

[(1, 221779504), (2, 110889752), (4, 55444876), (8, 27722438), (16, 13861219), (139, 1595536), (278, 797768), (556, 398884), (1112, 199442), (2224, 99721)]