256572

素因数分解:

$2^2\times 3^2\times {\mathrm{7127}}^1$

素因数の和:7137

約数の個数: 18

約数和(自身を含む): 648648

約数和(自身を除く): 392076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7127, 14254, 21381, 28508, 42762, 64143, 85524, 128286, 256572]

約数ペア:

[(1, 256572), (2, 128286), (3, 85524), (4, 64143), (6, 42762), (9, 28508), (12, 21381), (18, 14254), (36, 7127)]