205121501

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1\times {\mathrm{643}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 225904896

約数和(自身を除く): 20783395

約数列:

[1, 13, 53, 463, 643, 689, 6019, 8359, 24539, 34079, 297709, 319007, 443027, 3870217, 15778577, 205121501]

約数ペア:

[(1, 205121501), (13, 15778577), (53, 3870217), (463, 443027), (643, 319007), (689, 297709), (6019, 34079), (8359, 24539)]