12854870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{449}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 26568000

約数和(自身を除く): 13713130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 449, 818, 898, 2045, 2245, 2863, 3143, 4090, 4490, 5726, 6286, 14315, 15715, 28630, 31430, 183641, 367282, 918205, 1285487, 1836410, 2570974, 6427435, 12854870]

約数ペア:

[(1, 12854870), (2, 6427435), (5, 2570974), (7, 1836410), (10, 1285487), (14, 918205), (35, 367282), (70, 183641), (409, 31430), (449, 28630), (818, 15715), (898, 14315), (2045, 6286), (2245, 5726), (2863, 4490), (3143, 4090)]