257056542

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{87613}}^1$

素因数の和:87784

約数の個数: 24

約数和(自身を含む): 560379144

約数和(自身を除く): 303322602

約数列:

[1, 2, 3, 6, 9, 18, 163, 326, 489, 978, 1467, 2934, 87613, 175226, 262839, 525678, 788517, 1577034, 14280919, 28561838, 42842757, 85685514, 128528271, 257056542]

約数ペア:

[(1, 257056542), (2, 128528271), (3, 85685514), (6, 42842757), (9, 28561838), (18, 14280919), (163, 1577034), (326, 788517), (489, 525678), (978, 262839), (1467, 175226), (2934, 87613)]