201220678

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1\times {\mathrm{827}}^1$

素因数の和:1204

約数の個数: 24

約数和(自身を含む): 319884552

約数和(自身を除く): 118663874

約数列:

[1, 2, 19, 38, 337, 361, 674, 722, 827, 1654, 6403, 12806, 15713, 31426, 121657, 243314, 278699, 298547, 557398, 597094, 5295281, 10590562, 100610339, 201220678]

約数ペア:

[(1, 201220678), (2, 100610339), (19, 10590562), (38, 5295281), (337, 597094), (361, 557398), (674, 298547), (722, 278699), (827, 243314), (1654, 121657), (6403, 31426), (12806, 15713)]