128813894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{29423}}^1$

素因数の和:29635

約数の個数: 16

約数和(自身を含む): 211852800

約数和(自身を除く): 83038906

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 29423, 58846, 323653, 647306, 5855177, 11710354, 64406947, 128813894]

約数ペア:

[(1, 128813894), (2, 64406947), (11, 11710354), (22, 5855177), (199, 647306), (398, 323653), (2189, 58846), (4378, 29423)]