217430858

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{4057}}^1$

素因数の和:4397

約数の個数: 16

約数和(自身を含む): 330353664

約数和(自身を除く): 112922806

約数列:

[1, 2, 127, 211, 254, 422, 4057, 8114, 26797, 53594, 515239, 856027, 1030478, 1712054, 108715429, 217430858]

約数ペア:

[(1, 217430858), (2, 108715429), (127, 1712054), (211, 1030478), (254, 856027), (422, 515239), (4057, 53594), (8114, 26797)]