12734785

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1259}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 18567360

約数和(自身を除く): 5832575

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1259, 1445, 2023, 6295, 8813, 10115, 21403, 44065, 107015, 149821, 363851, 749105, 1819255, 2546957, 12734785]

約数ペア:

[(1, 12734785), (5, 2546957), (7, 1819255), (17, 749105), (35, 363851), (85, 149821), (119, 107015), (289, 44065), (595, 21403), (1259, 10115), (1445, 8813), (2023, 6295)]