80513538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{40787}}^1$

素因数の和:40846

約数の個数: 32

約数和(自身を含む): 187951104

約数和(自身を除く): 107437566

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 40787, 81574, 122361, 244722, 285509, 571018, 856527, 1713054, 1916989, 3833978, 5750967, 11501934, 13418923, 26837846, 40256769, 80513538]

約数ペア:

[(1, 80513538), (2, 40256769), (3, 26837846), (6, 13418923), (7, 11501934), (14, 5750967), (21, 3833978), (42, 1916989), (47, 1713054), (94, 856527), (141, 571018), (282, 285509), (329, 244722), (658, 122361), (987, 81574), (1974, 40787)]