81865456

素因数分解:

$2^4\times {\mathrm{823}}^1\times {\mathrm{6217}}^1$

素因数の和:7048

約数の個数: 20

約数和(自身を含む): 158832592

約数和(自身を除く): 76967136

約数列:

[1, 2, 4, 8, 16, 823, 1646, 3292, 6217, 6584, 12434, 13168, 24868, 49736, 99472, 5116591, 10233182, 20466364, 40932728, 81865456]

約数ペア:

[(1, 81865456), (2, 40932728), (4, 20466364), (8, 10233182), (16, 5116591), (823, 99472), (1646, 49736), (3292, 24868), (6217, 13168), (6584, 12434)]