28891381

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3948

約数の個数: 16

約数和(自身を含む): 33609600

約数和(自身を除く): 4718219

約数列:

[1, 17, 19, 23, 323, 391, 437, 3889, 7429, 66113, 73891, 89447, 1256147, 1520599, 1699493, 28891381]

約数ペア:

[(1, 28891381), (17, 1699493), (19, 1520599), (23, 1256147), (323, 89447), (391, 73891), (437, 66113), (3889, 7429)]