28945748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1361}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 54725160

約数和(自身を除く): 25779412

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 1361, 1636, 2722, 5317, 5444, 10634, 17693, 21268, 35386, 70772, 556649, 1113298, 2226596, 7236437, 14472874, 28945748]

約数ペア:

[(1, 28945748), (2, 14472874), (4, 7236437), (13, 2226596), (26, 1113298), (52, 556649), (409, 70772), (818, 35386), (1361, 21268), (1636, 17693), (2722, 10634), (5317, 5444)]