208745168

素因数分解:

$2^4\times {\mathrm{1669}}^1\times {\mathrm{7817}}^1$

素因数の和:9494

約数の個数: 20

約数和(自身を含む): 404737860

約数和(自身を除く): 195992692

約数列:

[1, 2, 4, 8, 16, 1669, 3338, 6676, 7817, 13352, 15634, 26704, 31268, 62536, 125072, 13046573, 26093146, 52186292, 104372584, 208745168]

約数ペア:

[(1, 208745168), (2, 104372584), (4, 52186292), (8, 26093146), (16, 13046573), (1669, 125072), (3338, 62536), (6676, 31268), (7817, 26704), (13352, 15634)]