257399327

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{839}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 276460800

約数和(自身を除く): 19061473

約数列:

[1, 19, 67, 241, 839, 1273, 4579, 15941, 16147, 56213, 202199, 306793, 1068047, 3841781, 13547333, 257399327]

約数ペア:

[(1, 257399327), (19, 13547333), (67, 3841781), (241, 1068047), (839, 306793), (1273, 202199), (4579, 56213), (15941, 16147)]