28942156

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 51922080

約数和(自身を除く): 22979924

約数列:

[1, 2, 4, 71, 101, 142, 202, 284, 404, 1009, 2018, 4036, 7171, 14342, 28684, 71639, 101909, 143278, 203818, 286556, 407636, 7235539, 14471078, 28942156]

約数ペア:

[(1, 28942156), (2, 14471078), (4, 7235539), (71, 407636), (101, 286556), (142, 203818), (202, 143278), (284, 101909), (404, 71639), (1009, 28684), (2018, 14342), (4036, 7171)]