257029236

素因数分解:

$2^2\times 3^2\times {\mathrm{7139701}}^1$

素因数の和:7139711

約数の個数: 18

約数和(自身を含む): 649712882

約数和(自身を除く): 392683646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7139701, 14279402, 21419103, 28558804, 42838206, 64257309, 85676412, 128514618, 257029236]

約数ペア:

[(1, 257029236), (2, 128514618), (3, 85676412), (4, 64257309), (6, 42838206), (9, 28558804), (12, 21419103), (18, 14279402), (36, 7139701)]