12187805

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 17694720

約数和(自身を除く): 5506915

約数列:

[1, 5, 7, 31, 35, 47, 155, 217, 235, 239, 329, 1085, 1195, 1457, 1645, 1673, 7285, 7409, 8365, 10199, 11233, 37045, 50995, 51863, 56165, 78631, 259315, 348223, 393155, 1741115, 2437561, 12187805]

約数ペア:

[(1, 12187805), (5, 2437561), (7, 1741115), (31, 393155), (35, 348223), (47, 259315), (155, 78631), (217, 56165), (235, 51863), (239, 50995), (329, 37045), (1085, 11233), (1195, 10199), (1457, 8365), (1645, 7409), (1673, 7285)]