128342590

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{47711}}^1$

素因数の和:47987

約数の個数: 16

約数和(自身を含む): 231880320

約数和(自身を除く): 103537730

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 47711, 95422, 238555, 477110, 12834259, 25668518, 64171295, 128342590]

約数ペア:

[(1, 128342590), (2, 64171295), (5, 25668518), (10, 12834259), (269, 477110), (538, 238555), (1345, 95422), (2690, 47711)]