216496478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{49451}}^1$

素因数の和:49663

約数の個数: 16

約数和(自身を含む): 356054400

約数和(自身を除く): 139557922

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 49451, 98902, 543961, 1087922, 9840749, 19681498, 108248239, 216496478]

約数ペア:

[(1, 216496478), (2, 108248239), (11, 19681498), (22, 9840749), (199, 1087922), (398, 543961), (2189, 98902), (4378, 49451)]