256560479

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{12539}}^1$

素因数の和:12662

約数の個数: 16

約数和(自身を含む): 304972800

約数和(自身を除く): 48412321

約数列:

[1, 7, 37, 79, 259, 553, 2923, 12539, 20461, 87773, 463943, 990581, 3247601, 6934067, 36651497, 256560479]

約数ペア:

[(1, 256560479), (7, 36651497), (37, 6934067), (79, 3247601), (259, 990581), (553, 463943), (2923, 87773), (12539, 20461)]