257079208

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{82609}}^1$

素因数の和:83004

約数の個数: 16

約数和(自身を含む): 483268500

約数和(自身を除く): 226189292

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 82609, 165218, 330436, 660872, 32134901, 64269802, 128539604, 257079208]

約数ペア:

[(1, 257079208), (2, 128539604), (4, 64269802), (8, 32134901), (389, 660872), (778, 330436), (1556, 165218), (3112, 82609)]