11978978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7669}}^1$

素因数の和:7753

約数の個数: 16

約数和(自身を含む): 19880640

約数和(自身を除く): 7901662

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 7669, 15338, 84359, 168718, 544499, 1088998, 5989489, 11978978]

約数ペア:

[(1, 11978978), (2, 5989489), (11, 1088998), (22, 544499), (71, 168718), (142, 84359), (781, 15338), (1562, 7669)]