256412073

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 367960320

約数和(自身を除く): 111548247

約数列:

[1, 3, 23, 41, 69, 123, 233, 389, 699, 943, 1167, 2829, 5359, 8947, 9553, 15949, 16077, 26841, 28659, 47847, 90637, 219719, 271911, 366827, 659157, 1100481, 2084651, 3716117, 6253953, 11148351, 85470691, 256412073]

約数ペア:

[(1, 256412073), (3, 85470691), (23, 11148351), (41, 6253953), (69, 3716117), (123, 2084651), (233, 1100481), (389, 659157), (699, 366827), (943, 271911), (1167, 219719), (2829, 90637), (5359, 47847), (8947, 28659), (9553, 26841), (15949, 16077)]