1261244

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{4441}}^1$

素因数の和:4516

約数の個数: 12

約数和(自身を含む): 2238768

約数和(自身を除く): 977524

約数列:

[1, 2, 4, 71, 142, 284, 4441, 8882, 17764, 315311, 630622, 1261244]

約数ペア:

[(1, 1261244), (2, 630622), (4, 315311), (71, 17764), (142, 8882), (284, 4441)]