28704247

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1109}}^1$

素因数の和:1314

約数の個数: 16

約数和(自身を含む): 33939360

約数和(自身を除く): 5235113

約数列:

[1, 11, 13, 143, 181, 1109, 1991, 2353, 12199, 14417, 25883, 158587, 200729, 2208019, 2609477, 28704247]

約数ペア:

[(1, 28704247), (11, 2609477), (13, 2208019), (143, 200729), (181, 158587), (1109, 25883), (1991, 14417), (2353, 12199)]