254840012

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{17881}}^1$

素因数の和:18401

約数の個数: 24

約数和(自身を含む): 510709920

約数和(自身を除く): 255869908

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 2036, 3563, 7126, 14252, 17881, 35762, 71524, 125167, 250334, 500668, 9101429, 18202858, 36405716, 63710003, 127420006, 254840012]

約数ペア:

[(1, 254840012), (2, 127420006), (4, 63710003), (7, 36405716), (14, 18202858), (28, 9101429), (509, 500668), (1018, 250334), (2036, 125167), (3563, 71524), (7126, 35762), (14252, 17881)]