256989607

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1\times {\mathrm{859}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 298316800

約数和(自身を除く): 41327193

約数列:

[1, 7, 79, 541, 553, 859, 3787, 6013, 42739, 67861, 299173, 464719, 475027, 3253033, 36712801, 256989607]

約数ペア:

[(1, 256989607), (7, 36712801), (79, 3253033), (541, 475027), (553, 464719), (859, 299173), (3787, 67861), (6013, 42739)]