28555681

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 37428480

約数和(自身を除く): 8872799

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1519, 1709, 2387, 11963, 16709, 18799, 52979, 83741, 131593, 370853, 582769, 921151, 2595971, 4079383, 28555681]

約数ペア:

[(1, 28555681), (7, 4079383), (11, 2595971), (31, 921151), (49, 582769), (77, 370853), (217, 131593), (341, 83741), (539, 52979), (1519, 18799), (1709, 16709), (2387, 11963)]