1291245274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{128431}}^1$

素因数の和:128901

約数の個数: 16

約数和(自身を含む): 2117586816

約数和(自身を除く): 826341542

約数列:

[1, 2, 11, 22, 457, 914, 5027, 10054, 128431, 256862, 1412741, 2825482, 58692967, 117385934, 645622637, 1291245274]

約数ペア:

[(1, 1291245274), (2, 645622637), (11, 117385934), (22, 58692967), (457, 2825482), (914, 1412741), (5027, 256862), (10054, 128431)]