81127228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{222877}}^1$

素因数の和:222901

約数の個数: 24

約数和(自身を含む): 174736352

約数和(自身を除く): 93609124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 222877, 445754, 891508, 1560139, 2897401, 3120278, 5794802, 6240556, 11589604, 20281807, 40563614, 81127228]

約数ペア:

[(1, 81127228), (2, 40563614), (4, 20281807), (7, 11589604), (13, 6240556), (14, 5794802), (26, 3120278), (28, 2897401), (52, 1560139), (91, 891508), (182, 445754), (364, 222877)]