28081658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67181}}^1$

素因数の和:67213

約数の個数: 16

約数和(自身を含む): 48371040

約数和(自身を除く): 20289382

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 67181, 134362, 738991, 1276439, 1477982, 2552878, 14040829, 28081658]

約数ペア:

[(1, 28081658), (2, 14040829), (11, 2552878), (19, 1477982), (22, 1276439), (38, 738991), (209, 134362), (418, 67181)]