2749130

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1081

約数の個数: 16

約数和(自身を含む): 4967784

約数和(自身を除く): 2218654

約数列:

[1, 2, 5, 10, 421, 653, 842, 1306, 2105, 3265, 4210, 6530, 274913, 549826, 1374565, 2749130]

約数ペア:

[(1, 2749130), (2, 1374565), (5, 549826), (10, 274913), (421, 6530), (653, 4210), (842, 3265), (1306, 2105)]