12689631745

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{443771}}^1$

素因数の和:443845

約数の個数: 32

約数和(自身を含む): 18744929280

約数和(自身を除く): 6055297535

約数列:

[1, 5, 7, 19, 35, 43, 95, 133, 215, 301, 665, 817, 1505, 4085, 5719, 28595, 443771, 2218855, 3106397, 8431649, 15531985, 19082153, 42158245, 59021543, 95410765, 133575071, 295107715, 362560907, 667875355, 1812804535, 2537926349, 12689631745]

約数ペア:

[(1, 12689631745), (5, 2537926349), (7, 1812804535), (19, 667875355), (35, 362560907), (43, 295107715), (95, 133575071), (133, 95410765), (215, 59021543), (301, 42158245), (665, 19082153), (817, 15531985), (1505, 8431649), (4085, 3106397), (5719, 2218855), (28595, 443771)]