1280912

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:590

約数の個数: 20

約数和(自身を含む): 2499840

約数和(自身を除く): 1218928

約数列:

[1, 2, 4, 8, 16, 223, 359, 446, 718, 892, 1436, 1784, 2872, 3568, 5744, 80057, 160114, 320228, 640456, 1280912]

約数ペア:

[(1, 1280912), (2, 640456), (4, 320228), (8, 160114), (16, 80057), (223, 5744), (359, 3568), (446, 2872), (718, 1784), (892, 1436)]