389204321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 459841536

約数和(自身を除く): 70637215

約数列:

[1, 11, 23, 47, 71, 253, 461, 517, 781, 1081, 1633, 3337, 5071, 10603, 11891, 17963, 21667, 32731, 36707, 76751, 116633, 238337, 360041, 498341, 752813, 844261, 1538357, 5481751, 8280943, 16921927, 35382211, 389204321]

約数ペア:

[(1, 389204321), (11, 35382211), (23, 16921927), (47, 8280943), (71, 5481751), (253, 1538357), (461, 844261), (517, 752813), (781, 498341), (1081, 360041), (1633, 238337), (3337, 116633), (5071, 76751), (10603, 36707), (11891, 32731), (17963, 21667)]