81543184

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61403}}^1$

素因数の和:61494

約数の個数: 20

約数和(自身を含む): 159896016

約数和(自身を除く): 78352832

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61403, 122806, 245612, 491224, 982448, 5096449, 10192898, 20385796, 40771592, 81543184]

約数ペア:

[(1, 81543184), (2, 40771592), (4, 20385796), (8, 10192898), (16, 5096449), (83, 982448), (166, 491224), (332, 245612), (664, 122806), (1328, 61403)]