7421491

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:320

約数の個数: 20

約数和(自身を含む): 9478584

約数和(自身を除く): 2057093

約数列:

[1, 7, 11, 49, 77, 281, 343, 539, 1967, 2401, 3091, 3773, 13769, 21637, 26411, 96383, 151459, 674681, 1060213, 7421491]

約数ペア:

[(1, 7421491), (7, 1060213), (11, 674681), (49, 151459), (77, 96383), (281, 26411), (343, 21637), (539, 13769), (1967, 3773), (2401, 3091)]