81654544

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71879}}^1$

素因数の和:71958

約数の個数: 20

約数和(自身を含む): 160436160

約数和(自身を除く): 78781616

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71879, 143758, 287516, 575032, 1150064, 5103409, 10206818, 20413636, 40827272, 81654544]

約数ペア:

[(1, 81654544), (2, 40827272), (4, 20413636), (8, 10206818), (16, 5103409), (71, 1150064), (142, 575032), (284, 287516), (568, 143758), (1136, 71879)]