678945275

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{631577}}^1$

素因数の和:631630

約数の個数: 12

約数和(自身を含む): 861472392

約数和(自身を除く): 182527117

約数列:

[1, 5, 25, 43, 215, 1075, 631577, 3157885, 15789425, 27157811, 135789055, 678945275]

約数ペア:

[(1, 678945275), (5, 135789055), (25, 27157811), (43, 15789425), (215, 3157885), (1075, 631577)]