28431290

素因数分解:

$2^1\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{2089}}^1$

素因数の和:3457

約数の個数: 16

約数和(自身を含む): 51238440

約数和(自身を除く): 22807150

約数列:

[1, 2, 5, 10, 1361, 2089, 2722, 4178, 6805, 10445, 13610, 20890, 2843129, 5686258, 14215645, 28431290]

約数ペア:

[(1, 28431290), (2, 14215645), (5, 5686258), (10, 2843129), (1361, 20890), (2089, 13610), (2722, 10445), (4178, 6805)]