11398940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{81421}}^1$

素因数の和:81437

約数の個数: 24

約数和(自身を含む): 27357792

約数和(自身を除く): 15958852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 81421, 162842, 325684, 407105, 569947, 814210, 1139894, 1628420, 2279788, 2849735, 5699470, 11398940]

約数ペア:

[(1, 11398940), (2, 5699470), (4, 2849735), (5, 2279788), (7, 1628420), (10, 1139894), (14, 814210), (20, 569947), (28, 407105), (35, 325684), (70, 162842), (140, 81421)]