87774547

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 111104000

約数和(自身を除く): 23329453

約数列:

[1, 7, 19, 31, 61, 133, 217, 349, 427, 589, 1159, 1891, 2443, 4123, 6631, 8113, 10819, 13237, 21289, 35929, 46417, 75733, 149023, 205561, 251503, 404491, 659959, 1438927, 2831437, 4619713, 12539221, 87774547]

約数ペア:

[(1, 87774547), (7, 12539221), (19, 4619713), (31, 2831437), (61, 1438927), (133, 659959), (217, 404491), (349, 251503), (427, 205561), (589, 149023), (1159, 75733), (1891, 46417), (2443, 35929), (4123, 21289), (6631, 13237), (8113, 10819)]