256586538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3289571}}^1$

素因数の和:3289589

約数の個数: 16

約数和(自身を含む): 552648096

約数和(自身を除く): 296061558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 3289571, 6579142, 9868713, 19737426, 42764423, 85528846, 128293269, 256586538]

約数ペア:

[(1, 256586538), (2, 128293269), (3, 85528846), (6, 42764423), (13, 19737426), (26, 9868713), (39, 6579142), (78, 3289571)]