128950284

素因数分解:

$2^2\times 3^1\times {\mathrm{1997}}^1\times {\mathrm{5381}}^1$

素因数の和:7385

約数の個数: 24

約数和(自身を含む): 301090608

約数和(自身を除く): 172140324

約数列:

[1, 2, 3, 4, 6, 12, 1997, 3994, 5381, 5991, 7988, 10762, 11982, 16143, 21524, 23964, 32286, 64572, 10745857, 21491714, 32237571, 42983428, 64475142, 128950284]

約数ペア:

[(1, 128950284), (2, 64475142), (3, 42983428), (4, 32237571), (6, 21491714), (12, 10745857), (1997, 64572), (3994, 32286), (5381, 23964), (5991, 21524), (7988, 16143), (10762, 11982)]