28671895

素因数分解:

$5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1777}}^1$

素因数の和:2250

約数の個数: 16

約数和(自身を含む): 39428928

約数和(自身を除く): 10757033

約数列:

[1, 5, 7, 35, 461, 1777, 2305, 3227, 8885, 12439, 16135, 62195, 819197, 4095985, 5734379, 28671895]

約数ペア:

[(1, 28671895), (5, 5734379), (7, 4095985), (35, 819197), (461, 62195), (1777, 16135), (2305, 12439), (3227, 8885)]