81447784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40241}}^1$

素因数の和:40281

約数の個数: 32

約数和(自身を含む): 173845440

約数和(自身を除く): 92397656

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 40241, 80482, 160964, 321928, 442651, 885302, 925543, 1770604, 1851086, 3541208, 3702172, 7404344, 10180973, 20361946, 40723892, 81447784]

約数ペア:

[(1, 81447784), (2, 40723892), (4, 20361946), (8, 10180973), (11, 7404344), (22, 3702172), (23, 3541208), (44, 1851086), (46, 1770604), (88, 925543), (92, 885302), (184, 442651), (253, 321928), (506, 160964), (1012, 80482), (2024, 40241)]