163986218

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{21859}}^1$

素因数の和:21914

約数の個数: 24

約数和(自身を含む): 279108480

約数和(自身を除く): 115122262

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 3751, 7502, 21859, 43718, 240449, 480898, 677629, 1355258, 2644939, 5289878, 7453919, 14907838, 81993109, 163986218]

約数ペア:

[(1, 163986218), (2, 81993109), (11, 14907838), (22, 7453919), (31, 5289878), (62, 2644939), (121, 1355258), (242, 677629), (341, 480898), (682, 240449), (3751, 43718), (7502, 21859)]