28668745

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{443}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 40343616

約数和(自身を除く): 11674871

約数列:

[1, 5, 7, 35, 43, 215, 301, 443, 1505, 1849, 2215, 3101, 9245, 12943, 15505, 19049, 64715, 95245, 133343, 666715, 819107, 4095535, 5733749, 28668745]

約数ペア:

[(1, 28668745), (5, 5733749), (7, 4095535), (35, 819107), (43, 666715), (215, 133343), (301, 95245), (443, 64715), (1505, 19049), (1849, 15505), (2215, 12943), (3101, 9245)]