81806842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{35353}}^1$

素因数の和:35457

約数の個数: 16

約数和(自身を含む): 133638120

約数和(自身を除く): 51831278

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 35353, 70706, 459589, 919178, 3146417, 6292834, 40903421, 81806842]

約数ペア:

[(1, 81806842), (2, 40903421), (13, 6292834), (26, 3146417), (89, 919178), (178, 459589), (1157, 70706), (2314, 35353)]