81865414

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{1597}}^1$

素因数の和:1708

約数の個数: 24

約数和(自身を含む): 131509008

約数和(自身を除く): 49643594

約数列:

[1, 2, 19, 38, 71, 142, 361, 722, 1349, 1597, 2698, 3194, 25631, 30343, 51262, 60686, 113387, 226774, 576517, 1153034, 2154353, 4308706, 40932707, 81865414]

約数ペア:

[(1, 81865414), (2, 40932707), (19, 4308706), (38, 2154353), (71, 1153034), (142, 576517), (361, 226774), (722, 113387), (1349, 60686), (1597, 51262), (2698, 30343), (3194, 25631)]