389569825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{12241}}^1$

素因数の和:12337

約数の個数: 24

約数和(自身を含む): 516122720

約数和(自身を除く): 126552895

約数列:

[1, 5, 19, 25, 67, 95, 335, 475, 1273, 1675, 6365, 12241, 31825, 61205, 232579, 306025, 820147, 1162895, 4100735, 5814475, 15582793, 20503675, 77913965, 389569825]

約数ペア:

[(1, 389569825), (5, 77913965), (19, 20503675), (25, 15582793), (67, 5814475), (95, 4100735), (335, 1162895), (475, 820147), (1273, 306025), (1675, 232579), (6365, 61205), (12241, 31825)]