12199810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 25217280

約数和(自身を除く): 13017470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 439, 794, 878, 1985, 2195, 2779, 3073, 3970, 4390, 5558, 6146, 13895, 15365, 27790, 30730, 174283, 348566, 871415, 1219981, 1742830, 2439962, 6099905, 12199810]

約数ペア:

[(1, 12199810), (2, 6099905), (5, 2439962), (7, 1742830), (10, 1219981), (14, 871415), (35, 348566), (70, 174283), (397, 30730), (439, 27790), (794, 15365), (878, 13895), (1985, 6146), (2195, 5558), (2779, 4390), (3073, 3970)]