13120828

素因数分解:

$2^2\times 7^2\times {\mathrm{66943}}^1$

素因数の和:66961

約数の個数: 18

約数和(自身を含む): 26710656

約数和(自身を除く): 13589828

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 66943, 133886, 267772, 468601, 937202, 1874404, 3280207, 6560414, 13120828]

約数ペア:

[(1, 13120828), (2, 6560414), (4, 3280207), (7, 1874404), (14, 937202), (28, 468601), (49, 267772), (98, 133886), (196, 66943)]