28486081

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 31711680

約数和(自身を除く): 3225599

約数列:

[1, 13, 43, 131, 389, 559, 1703, 5057, 5633, 16727, 50959, 73229, 217451, 662467, 2191237, 28486081]

約数ペア:

[(1, 28486081), (13, 2191237), (43, 662467), (131, 217451), (389, 73229), (559, 50959), (1703, 16727), (5057, 5633)]