170220164

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{117881}}^1$

素因数の和:117923

約数の個数: 18

約数和(自身を含む): 314391294

約数和(自身を除く): 144171130

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 117881, 235762, 471524, 2239739, 4479478, 8958956, 42555041, 85110082, 170220164]

約数ペア:

[(1, 170220164), (2, 85110082), (4, 42555041), (19, 8958956), (38, 4479478), (76, 2239739), (361, 471524), (722, 235762), (1444, 117881)]