678763495

素因数分解:

$5^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1\times {\mathrm{1217}}^1$

素因数の和:1890

約数の個数: 16

約数和(自身を含む): 820074528

約数和(自身を除く): 141311033

約数列:

[1, 5, 331, 337, 1217, 1655, 1685, 6085, 111547, 402827, 410129, 557735, 2014135, 2050645, 135752699, 678763495]

約数ペア:

[(1, 678763495), (5, 135752699), (331, 2050645), (337, 2014135), (1217, 557735), (1655, 410129), (1685, 402827), (6085, 111547)]