12784765

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21487}}^1$

素因数の和:21516

約数の個数: 16

約数和(自身を含む): 18565632

約数和(自身を除く): 5780867

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 21487, 107435, 150409, 365279, 752045, 1826395, 2556953, 12784765]

約数ペア:

[(1, 12784765), (5, 2556953), (7, 1826395), (17, 752045), (35, 365279), (85, 150409), (119, 107435), (595, 21487)]