128424289

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{5531}}^1$

素因数の和:5676

約数の個数: 16

約数和(自身を含む): 152948736

約数和(自身を除く): 24524447

約数列:

[1, 7, 31, 107, 217, 749, 3317, 5531, 23219, 38717, 171461, 591817, 1200227, 4142719, 18346327, 128424289]

約数ペア:

[(1, 128424289), (7, 18346327), (31, 4142719), (107, 1200227), (217, 591817), (749, 171461), (3317, 38717), (5531, 23219)]