12748855

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 17991072

約数和(自身を除く): 5242217

約数列:

[1, 5, 7, 35, 43, 197, 215, 301, 985, 1379, 1505, 1849, 6895, 8471, 9245, 12943, 42355, 59297, 64715, 296485, 364253, 1821265, 2549771, 12748855]

約数ペア:

[(1, 12748855), (5, 2549771), (7, 1821265), (35, 364253), (43, 296485), (197, 64715), (215, 59297), (301, 42355), (985, 12943), (1379, 9245), (1505, 8471), (1849, 6895)]