80640579

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 119439360

約数和(自身を除く): 38798781

約数列:

[1, 3, 19, 31, 47, 57, 93, 141, 589, 893, 971, 1457, 1767, 2679, 2913, 4371, 18449, 27683, 30101, 45637, 55347, 83049, 90303, 136911, 571919, 867103, 1414747, 1715757, 2601309, 4244241, 26880193, 80640579]

約数ペア:

[(1, 80640579), (3, 26880193), (19, 4244241), (31, 2601309), (47, 1715757), (57, 1414747), (93, 867103), (141, 571919), (589, 136911), (893, 90303), (971, 83049), (1457, 55347), (1767, 45637), (2679, 30101), (2913, 27683), (4371, 18449)]