28877854

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{821}}^1$

素因数の和:1275

約数の個数: 16

約数和(自身を含む): 44486640

約数和(自身を除く): 15608786

約数列:

[1, 2, 43, 86, 409, 818, 821, 1642, 17587, 35174, 35303, 70606, 335789, 671578, 14438927, 28877854]

約数ペア:

[(1, 28877854), (2, 14438927), (43, 671578), (86, 335789), (409, 70606), (818, 35303), (821, 35174), (1642, 17587)]