81505706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{3499}}^1$

素因数の和:4133

約数の個数: 16

約数和(自身を含む): 128940000

約数和(自身を除く): 47434294

約数列:

[1, 2, 19, 38, 613, 1226, 3499, 6998, 11647, 23294, 66481, 132962, 2144887, 4289774, 40752853, 81505706]

約数ペア:

[(1, 81505706), (2, 40752853), (19, 4289774), (38, 2144887), (613, 132962), (1226, 66481), (3499, 23294), (6998, 11647)]