81392072

素因数分解:

$2^3\times {\mathrm{2081}}^1\times {\mathrm{4889}}^1$

素因数の和:6976

約数の個数: 16

約数和(自身を含む): 152714700

約数和(自身を除く): 71322628

約数列:

[1, 2, 4, 8, 2081, 4162, 4889, 8324, 9778, 16648, 19556, 39112, 10174009, 20348018, 40696036, 81392072]

約数ペア:

[(1, 81392072), (2, 40696036), (4, 20348018), (8, 10174009), (2081, 39112), (4162, 19556), (4889, 16648), (8324, 9778)]