81949946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{43177}}^1$

素因数の和:43265

約数の個数: 16

約数和(自身を含む): 134197224

約数和(自身を除く): 52247278

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 43177, 86354, 561301, 1122602, 3151921, 6303842, 40974973, 81949946]

約数ペア:

[(1, 81949946), (2, 40974973), (13, 6303842), (26, 3151921), (73, 1122602), (146, 561301), (949, 86354), (1898, 43177)]