66404870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{3607}}^1$

素因数の和:3884

約数の個数: 32

約数和(自身を含む): 137161728

約数和(自身を除く): 70756858

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1315, 1841, 2630, 3607, 3682, 7214, 9205, 18035, 18410, 25249, 36070, 50498, 126245, 252490, 948641, 1897282, 4743205, 6640487, 9486410, 13280974, 33202435, 66404870]

約数ペア:

[(1, 66404870), (2, 33202435), (5, 13280974), (7, 9486410), (10, 6640487), (14, 4743205), (35, 1897282), (70, 948641), (263, 252490), (526, 126245), (1315, 50498), (1841, 36070), (2630, 25249), (3607, 18410), (3682, 18035), (7214, 9205)]