28810691

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4337}}^1$

素因数の和:4430

約数の個数: 16

約数和(自身を含む): 35953344

約数和(自身を除く): 7142653

約数列:

[1, 7, 13, 73, 91, 511, 949, 4337, 6643, 30359, 56381, 316601, 394667, 2216207, 4115813, 28810691]

約数ペア:

[(1, 28810691), (7, 4115813), (13, 2216207), (73, 394667), (91, 316601), (511, 56381), (949, 30359), (4337, 6643)]