81726562

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{1571}}^1$

素因数の和:1666

約数の個数: 24

約数和(自身を含む): 132708240

約数和(自身を除く): 50981678

約数列:

[1, 2, 19, 37, 38, 74, 703, 1369, 1406, 1571, 2738, 3142, 26011, 29849, 52022, 58127, 59698, 116254, 1104413, 2150699, 2208826, 4301398, 40863281, 81726562]

約数ペア:

[(1, 81726562), (2, 40863281), (19, 4301398), (37, 2208826), (38, 2150699), (74, 1104413), (703, 116254), (1369, 59698), (1406, 58127), (1571, 52022), (2738, 29849), (3142, 26011)]