81547832

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 155796480

約数和(自身を除く): 74248648

約数列:

[1, 2, 4, 8, 83, 166, 191, 332, 382, 643, 664, 764, 1286, 1528, 2572, 5144, 15853, 31706, 53369, 63412, 106738, 122813, 126824, 213476, 245626, 426952, 491252, 982504, 10193479, 20386958, 40773916, 81547832]

約数ペア:

[(1, 81547832), (2, 40773916), (4, 20386958), (8, 10193479), (83, 982504), (166, 491252), (191, 426952), (332, 245626), (382, 213476), (643, 126824), (664, 122813), (764, 106738), (1286, 63412), (1528, 53369), (2572, 31706), (5144, 15853)]