256475991

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{12541}}^1$

素因数の和:12962

約数の個数: 16

約数和(自身を含む): 363015648

約数和(自身を除く): 106539657

約数列:

[1, 3, 17, 51, 401, 1203, 6817, 12541, 20451, 37623, 213197, 639591, 5028941, 15086823, 85491997, 256475991]

約数ペア:

[(1, 256475991), (3, 85491997), (17, 15086823), (51, 5028941), (401, 639591), (1203, 213197), (6817, 37623), (12541, 20451)]