81441716

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{743}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 145199040

約数和(自身を除く): 63757324

約数列:

[1, 2, 4, 67, 134, 268, 409, 743, 818, 1486, 1636, 2972, 27403, 49781, 54806, 99562, 109612, 199124, 303887, 607774, 1215548, 20360429, 40720858, 81441716]

約数ペア:

[(1, 81441716), (2, 40720858), (4, 20360429), (67, 1215548), (134, 607774), (268, 303887), (409, 199124), (743, 109612), (818, 99562), (1486, 54806), (1636, 49781), (2972, 27403)]