81530804542

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{631}}^1\times {\mathrm{533921}}^1$

素因数の和:534576

約数の個数: 24

約数和(自身を含む): 134638042896

約数和(自身を除く): 53107238354

約数列:

[1, 2, 11, 22, 121, 242, 631, 1262, 6941, 13882, 76351, 152702, 533921, 1067842, 5873131, 11746262, 64604441, 129208882, 336904151, 673808302, 3705945661, 7411891322, 40765402271, 81530804542]

約数ペア:

[(1, 81530804542), (2, 40765402271), (11, 7411891322), (22, 3705945661), (121, 673808302), (242, 336904151), (631, 129208882), (1262, 64604441), (6941, 11746262), (13882, 5873131), (76351, 1067842), (152702, 533921)]