257400324

素因数分解:

$2^2\times 3^2\times {\mathrm{7150009}}^1$

素因数の和:7150019

約数の個数: 18

約数和(自身を含む): 650650910

約数和(自身を除く): 393250586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7150009, 14300018, 21450027, 28600036, 42900054, 64350081, 85800108, 128700162, 257400324]

約数ペア:

[(1, 257400324), (2, 128700162), (3, 85800108), (4, 64350081), (6, 42900054), (9, 28600036), (12, 21450027), (18, 14300018), (36, 7150009)]