28307741

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1811}}^1$

素因数の和:1865

約数の個数: 24

約数和(自身を含む): 37182240

約数和(自身を除く): 8874499

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 1421, 1811, 2233, 12677, 15631, 19921, 52519, 88739, 139447, 367633, 577709, 976129, 2573431, 4043963, 28307741]

約数ペア:

[(1, 28307741), (7, 4043963), (11, 2573431), (29, 976129), (49, 577709), (77, 367633), (203, 139447), (319, 88739), (539, 52519), (1421, 19921), (1811, 15631), (2233, 12677)]