1397963

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 1758720

約数和(自身を除く): 360757

約数列:

[1, 7, 19, 23, 133, 161, 437, 457, 3059, 3199, 8683, 10511, 60781, 73577, 199709, 1397963]

約数ペア:

[(1, 1397963), (7, 199709), (19, 73577), (23, 60781), (133, 10511), (161, 8683), (437, 3199), (457, 3059)]