668766364

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{68437}}^1$

素因数の和:68797

約数の個数: 24

約数和(自身を含む): 1341384800

約数和(自身を除く): 672618436

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2443, 4886, 9772, 68437, 136874, 273748, 479059, 958118, 1916236, 23884513, 47769026, 95538052, 167191591, 334383182, 668766364]

約数ペア:

[(1, 668766364), (2, 334383182), (4, 167191591), (7, 95538052), (14, 47769026), (28, 23884513), (349, 1916236), (698, 958118), (1396, 479059), (2443, 273748), (4886, 136874), (9772, 68437)]