2168706416

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{515377}}^1$

素因数の和:515648

約数の個数: 20

約数和(自身を含む): 4217853552

約数和(自身を除く): 2049147136

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 515377, 1030754, 2061508, 4123016, 8246032, 135544151, 271088302, 542176604, 1084353208, 2168706416]

約数ペア:

[(1, 2168706416), (2, 1084353208), (4, 542176604), (8, 271088302), (16, 135544151), (263, 8246032), (526, 4123016), (1052, 2061508), (2104, 1030754), (4208, 515377)]