321005768

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{1997}}^1$

素因数の和:2357

約数の個数: 32

約数和(自身を含む): 612826560

約数和(自身を除く): 291820792

約数列:

[1, 2, 4, 8, 71, 142, 283, 284, 566, 568, 1132, 1997, 2264, 3994, 7988, 15976, 20093, 40186, 80372, 141787, 160744, 283574, 565151, 567148, 1130302, 1134296, 2260604, 4521208, 40125721, 80251442, 160502884, 321005768]

約数ペア:

[(1, 321005768), (2, 160502884), (4, 80251442), (8, 40125721), (71, 4521208), (142, 2260604), (283, 1134296), (284, 1130302), (566, 567148), (568, 565151), (1132, 283574), (1997, 160744), (2264, 141787), (3994, 80372), (7988, 40186), (15976, 20093)]