2556508

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 4717440

約数和(自身を除く): 2160932

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 389, 778, 1556, 1643, 3286, 6572, 12059, 20617, 24118, 41234, 48236, 82468, 639127, 1278254, 2556508]

約数ペア:

[(1, 2556508), (2, 1278254), (4, 639127), (31, 82468), (53, 48236), (62, 41234), (106, 24118), (124, 20617), (212, 12059), (389, 6572), (778, 3286), (1556, 1643)]