680679916

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{123401}}^1$

素因数の和:123609

約数の個数: 24

約数和(自身を含む): 1368281376

約数和(自身を除く): 687601460

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 123401, 246802, 493604, 863807, 1727614, 3455228, 24309997, 48619994, 97239988, 170169979, 340339958, 680679916]

約数ペア:

[(1, 680679916), (2, 340339958), (4, 170169979), (7, 97239988), (14, 48619994), (28, 24309997), (197, 3455228), (394, 1727614), (788, 863807), (1379, 493604), (2758, 246802), (5516, 123401)]